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Astronaut Edwin E. Aldrin Jr., lunar module pilot, prepares to deploy the Early Apollo Scientific Experiments Package (EASEP) during the Apollo 11 lunar surface extravehicular activity, July 20, 1969. Astronaut Neil A. Armstrong, commander, took this photograph with a 70 mm lunar surface camera. During flight the EASEP is stowed in the Lunar Module scientific bay at the left rear quadrant of the descent stage looking forward. Aldrin is removing the EASEP from its stowed position.


