CAPE CANAVERAL, Fla. (AP) — A mysterious space plane rocketed into orbit Wednesday, carrying no crew but a full load of technology experiments.
The Air Force launched its unmanned mini-shuttle late Wednesday morning. An Atlas V rocket lifted it up and out over the Atlantic.
This is the fourth flight for the military research program, which is shrouded in secrecy. The last X-37B mission lasted 674 days and ended with a California touchdown.
Altogether, the first three X-37B flights spanned 1,367 days. That’s 3
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