Published Date: 2023-12-29 09:00:51, Category: News (672258)Time: 01:47 min, View Count= 33 ( + More Social Media views ) , Rating= Title: US military launches secretive robot spaceplane | REUTERSKeywords: military launches secretive robot spaceplane | REUTERS Description: In a new twist to the growing US-China space rivalry, US military launched its secretive X-B robot spaceplane on a possible higher-orbit mission, two weeks after Beijing blasted its own equally secr