S69-32243 (22 April 1969) --- Two members of the Apollo 11 lunar landing mission participate in a simulation of deploying and using lunar tools, on the surface of the moon, during a training exercise in Building 9 on April 22, 1969. Astronaut Edwin E. Aldrin Jr. (on left), lunar module pilot, uses a scoop to pick up a sample. Astronaut Neil A. Armstrong, Apollo 11 commander, holds bag to receive sample. In the background is a Lunar Module (LM) mock-up. Both crewmembers are wearing Extravehicular Mobility Units (EMU).