A Shuttle Training Aircraft performs touch-and-go landings as the sun sets over the Shuttle Landing Facility runway at NASA's Kennedy Space Center in Florida. STS-133 Commander Steve Lindsey and Pilot Eric Boe flew two Gulfstream II business jets that are modified to mimic the shuttle's handling during the final phase of landing. Image credit: NASA/ Dimitri Gerondidakis Oct. 13, 2010