– Landing postponed) On flight day 14, Discovery was scheduled to land at Kennedy Space Center at 19:04 EDT (23:04 UTC). The landing was postponed due to weather conditions, and the second opportunity at 20:40 EDT (00:40 UTC) was also postponed due to weather conditions. September 11 (Flight Day 15 – Landing) On flight day 15, at 19:47 EDT (23:47 UTC), Discovery started the de-orbit burn for landing at Edwards Air Force Base after its two landing attempts at Kennedy Space Center the previous day were waved off. Discovery touched down safely at 20:53 EDT (17:53 PDT/00:53 UTC). The landing marked the final time a Space Shuttle mission concluded at Edwards Air Force Base, as well as the last time a ferry flight would be needed for an operational orbiter. Discovery returned to KSC on Monday, September 21, 2009, after refueling stops at Amarillo International Airport, Fort Worth Naval Station, and Barksdale Air Force Base on September 20. The last seven missions of the shuttle all touched down at Kennedy Space Center. Spacewalks Each spacewalk was planned to last approximately 6.5 hours. Wake-up calls NASA began a tradition of playing music to astronauts during the Gemini program, which was first used to wake up a flight crew during Apollo 15. Each track is specially chosen, often by their families, and usually has a special meaning to an individual member of the crew, or is applicable to their daily activities. Media See also 2009 in spaceflight List of human spaceflights List of International Space Station spacewalks List of Space Shuttle missions List of spacewalks 2000–2014 References External links NASA's Space Shuttle page NASA's Consolidated Launch Manifest christerfuglesang.se Swedish language website detailing the role of Christer Fuglesang in the mission. STS-128 press kit from NASA STS-128 official flight kit manifest Space Shuttle missions Spacecraft launched in 2009 Spacecraft which reentered in 2009 Articles containing video clips August 2009 events December 2009 events 1999 in Florida 1999 in California Edwards Air Force Base