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Overall walk-around of the Portable Life Support System (PLSS) and Oxygen Purge System (OPS).

Picture 1 of 3.

This is the front of the PLSS (i.e., the part which is worn in contact with the astronaut's back).

Time picture taken	Fri Jun 22 13:13:10 2007
Location picture taken	Rocketry and Space Flight Gallery (subsequently closed) National Air and Space Museum Washington, DC