STS-135: A Conversation With History In July, 2011, the space shuttle Atlantis marked the end of an era with its final flight, the STS-135 mission, the end of NASA's 30-year Space Shuttle Program. This July NASA commemorates that occasion by bringing together the last crew to pilot Atlantis here at Kennedy Space Center in Florida. Pictured above, former crew of STS-135 right to left: Mike Leinbach- Launch Director, Christopher Ferguson- Commander, Doug Hurley- Pilot, Sandra