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End of an era. Shuttle program’s last landing

In this handout image released by NASA, vapor trails follow space shuttle Atlantis as it approaches Runway 15 on the Shuttle Landing Facility at NASA’s Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011, for the final time. Atlantis marked the 26th nighttime landing of NASA’s Space Shuttle Program and the 78th landing at Kennedy. It also was the final mission for the shuttle program. (AP Photo/Sandra Joseph and Kevin O’Connell, HO)