US Military's 'World's Only Reusable Spaceplane' Has Been Flying for 781 Days - New Endurance Record Achieved! This unmanned spaceplane continues to break records after flying for more than 781 days! by Joaquin Victor Tacla
Science US Military's 'World's Only Reusable Spaceplane' Has Been Flying for 781 Days - New Endurance Record Achieved! by Joaquin Victor Tacla