Timeline Thursday 21 July 2011

Events on Thursday 21 July 2011 1

• 2011 Space Shuttle program ends Final flight of Atlantis closes NASA's shuttle era NASA's Space Shuttle Atlantis launched on the program's final mission, STS-135, delivering supplies to the International Space Station before landing at Kennedy Space Center. The flight ended the 30-year Space Shuttle program, leaving the United States reliant on Russian spacecraft to reach the ISS until commercial vehicles came online. Atlantis was the fourth and last orbiter to fly.