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Air Force’s Secret X-37B Space Plane Lands After 718 Days in Orbit - Universe Today
The Air Force’s secretive X-37B space plane landed at the Kennedy Space Center’s orbiter runway on Sunday, May 7, after spending a record 718 days in orbit. This was the fourth flight of the uncrewed, autonomous military project, and was the first landing for an X-37B at KSC. “The landing of OTV-4 marks another success … Continue reading "Air Force’s Secret X-37B Space Plane Lands After 718 Days in Orbit"