Space Shuttle Atlantis being towed back from the Shuttle Landing Facility to Orbiter Processing Facility-2 after completing STS-135, bringing the Space Shuttle program to an end. Today marks the 15th anniversary of said event. by: Kim Shiflett https://commons.wikimedia.org/wiki/File:STS-135_At… #image #photography #photo #photos #wikipedia #wiki #potd #picture #pictures #today #featured