Apollo 11 crewmembers participates in simulation of moon's surface

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 bldg 9 on April 22, 1969. Astronaut Edwin E. Aldrin Jr. (on left), lunar module pilot, uses scoop and tongs to pick up sample. Astronaut Neil A. Armstrong, Apollo 11 commander, holds bag to receive sample. In the background is a Lunar Module mockup. Both men are wearing Extravehicular Mobility Units (EMU).