The 5th mission X-37B launched 9/7/2017 breaks time record Aug 31, 2019 19:06:21 GMT WingsofCrystal likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nyx on Aug 31, 2019 19:06:21 GMT The 5th mission X-37B has broken its own longevity record in space.The Air Force never releases any information about ship’s purpose in space.