The #AirForce #X37B #OTV4 is back after more than 700 days in #Space. @NASAKennedy pic.twitter.com/02WdzMSDJe— U.S. Air Force (@usairforce) May 7, 2017
The #AirForce #X37B #OTV4 is back after more than 700 days in #Space. @NASAKennedy pic.twitter.com/02WdzMSDJe