Russia unveils new fighter, Putin hails country’s air power


              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of Russia's prospective fighter jet is displayed at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia has presented a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics and will be offered to foreign customers. Russian President Vladimir Putin inspected the new warplane displayed at the MAKS-2021 International Aviation and Space Salon. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, second right, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects equipment at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin inspects new models of weapons at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin, center, inspects a prototype of a new fighter jet that features stealth capabilities and other advanced characteristics at the MAKS-2021 International Aviation and Space Salon outside Zhukovsky, Russia, Tuesday, July 20, 2021. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday July 20, 2021.Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              A prototype of a new fighter jet that features stealth capabilities and other advanced characteristics is exhibited at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Moscow, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (Alexei Nikolsky, Sputnik, Kremlin Pool Photo via AP)
            
              Russian President Vladimir Putin speaks at the opening of the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021.  Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Putin walks to inspect a prototype of Russia's prospective fighter jet at the MAKS-2021 International Aviation and Space Salon in Zhukovsky outside Zhukovsky, Russia, Tuesday, July 20, 2021. Russia on Tuesday unveiled a prototype of its prospective new fighter jet at the Moscow air show. (AP Photo/Alexander Zemlianichenko, Pool)
            
              Hidden under tarpaulin, a prospective Russian fighter jet is seen being towed to a parking spot before its presentation at the Moscow international air show in Zhukovsky outside Moscow, Russia, Thursday, July 15, 2021. Russian aircraft makers say they will present a prospective new fighter jet at a Moscow air show that opens next week. The new warplane hidden under tarpaulin was photographed being towed to a parking spot across the airfield in Zhukovsky outside Moscow. That's where MAKS-2021 International Aviation and Space Salon opens on Tuesday. Russian President Vladimir Putin is set to visit the show’s opening. (AP Photo/Ivan Novikov-Dvinsky)
            
              Hidden under tarpaulin, a prospective Russian fighter jet is being towed to a parking spot before its presentation at the Moscow international air show in Zhukovsky outside Moscow, Russia, Thursday, July 15, 2021. Russian aircraft makers say they will present a prospective new fighter jet at a Moscow air show that opens next week. The new warplane hidden under tarpaulin was photographed being towed to a parking spot across the airfield in Zhukovsky outside Moscow. That's where MAKS-2021 International Aviation and Space Salon opens on Tuesday. Russian President Vladimir Putin is set to visit the show’s opening. (AP Photo/Ivan Novikov-Dvinsky)