Space Shuttle retirement (2011)
NASA ended the space shuttle program after 135 missions. The agency awarded the retired orbiters to museums around the country.
Endeavour went to the California Science Center, Atlantis to the Kennedy Space Center, Discovery to the Smithsonian and Enterprise to the Intrepid.
Endeavour's full-stack vertical display is the only one of its kind among the retired orbiters.
The retirement decision is why Endeavour is in Los Angeles and why the museum spent years planning a permanent home.
