CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, United Space Alliance technicians have removed several auxiliary power units from space shuttle Endeavour and are preparing them for transport. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, United Space Alliance technicians have removed one of the auxiliary power units from space shuttle Endeavour and have transported it to an area inside OPF-2. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, United Space Alliance technicians have removed one of the auxiliary power units from space shuttle Endeavour and are placing it on a special cart. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, a United Space Alliance technician begins to move a cart containing one of the auxiliary power units that was removed from space shuttle Endeavour. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, United Space Alliance technicians remove one of the auxiliary power units from space shuttle Endeavour. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-2 at NASA’s Kennedy Space Center in Florida, United Space Alliance technicians have removed the auxiliary power units from space shuttle Endeavour and are inspecting them and preparing them for transport. The work is part of Endeavour’s transition and retirement processing. The spacecraft is being prepared for public display at the California Science Center in Los Angeles. Endeavour flew 25 missions, spent 299 days in space, orbited Earth 4,671 times and traveled 122, 883, 151 miles over the course of its 19-year career. For more information, visit http://www.nasa.gov/shuttle. Photo credit: NASA/Dimitri Gerondidakis