GizmodoSecretive U.S. Air Force Spaceplane Breaks Record With 719 Straight Days in OrbitAug 27, 2019Matt NovakBy Matt Novakmore_vert
CNNAir Force's mysterious X-37B spacecraft sets new record for time in spaceAug 28, 2019Jackie WattlesBy Jackie Wattlesmore_vert
The Washington PostAir Force X-37B launched by SpaceX spent 720 days in orbit and countingAug 27, 2019Alex HortonBy Alex Hortonmore_vert
ScienceAlertMysterious Space Plane Has Now Been Orbiting Earth For 719 Days, And We Don't Know WhyAug 27, 2019more_vert