[STS-135] TCDT - Practising Shuttle Landings in Shuttle Training Aircraft

Space shuttle Atlantis' STS-135 mission Commander Chris Ferguson and Pilot Doug Hurley practiced landings in a Shuttle Training Aircraft, or STA, on June 20 at NASA's Kennedy Space Center in Florida. The practice landings took place during training related to a full launch dress rehearsal known as the Terminal Countdown Demonstration Test.