Stock Photo - (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). armstrong and aldrin practice transfer of lunar samples from large scoop to a sample bag during lunar eva rehearsal activities. Apollo 11 mission, first landing on the moon, july 1969, with astronauts neil armstrong, edwin aldrin, and michael collins. these images tell the story of the apollo 11 project, from conception to the realization of the first human step on the moon on july 21, 1969.