The U.S. Space Force's robotic space plane X-37B returned to Earth has returned to Earth after spending more than 434 days in orbit on a classified mission. This was the seventh mission for the X-37B ...
-America’s X-37B space plane looks like a scaled-down shuttle, but it has become one of the most consequential military programs of the post-Cold War era. -Born as a NASA technology demonstrator and ...
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