Astronaut Neil A. Armstrong, Mission Commander, works at the Lunar Module LM. The U.S. Flag and Solar-Wind Composition SWC Experiment are visible. Shadow in foreground. Image taken at Tranquility Base during the Apollo 11 Mission. Original film magazine was labeled S. Film Type: Ektachrome EF SO168 color film on a 2.7-mil Estar polyester base taken with a 60mm lens. Sun angle is Medium. Tilt direction is Northeast NE.