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Secretive US Space Force X-37B space plane 'breaks new ground' with return to Earth after 434 days in orbit (photos)
"The successful execution of the aerobraking maneuver underscores the U.S. Space Force’s commitment to pushing the bounds of ...
Space Force’s secretive space plane lands after 434 days in orbit
The X-37B spacecraft’s latest mission was shorter than the last but tried several new maneuvers and approaches during its ...