EXPLAINER: What made North Korea test giant new ICBM?


              In this photo distributed by the North Korean government, North Korean leader Kim Jong Un, front, claps during a test-fire of what it says a Hwasong-17 intercontinental ballistic missile (ICBM), at an undisclosed location in North Korea on March 24, 2022. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)
            
              In this photo distributed by the North Korean government, North Korean leader Kim Jong Un, center left, walks around what it says a Hwasong-17 intercontinental ballistic missile (ICBM) on the launcher, at an undisclosed location in North Korea on March 24, 2022. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)
            
              This photo distributed by the North Korean government shows what it says a Hwasong-17 intercontinental ballistic missile (ICBM) before its test-fire, at an undisclosed location in North Korea on March 24, 2022. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)
            
              In this photo distributed by the North Korean government, North Korean leader Kim Jong Un, center, walks around what it says a Hwasong-17 intercontinental ballistic missile (ICBM) on the launcher, at an undisclosed location in North Korea on March 24, 2022. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)
            
              People watch a TV screen showing a news program reporting about North Korea's ICBM at a train station in Seoul, South Korea, Friday, March 25, 2022. North Korea said Friday it test-fired its biggest-yet intercontinental ballistic missile under the orders of leader Kim Jong Un, who vowed to expand the North's "nuclear war deterrent" while preparing for a "long-standing confrontation" with the United States. (AP Photo/Lee Jin-man)