U.S. Marine Corps photo by Cpl. Matthew Callahan/Released 140618-M-IN448-239.JPG
Jun 23, 2014
A shallow water egress trainer observes as a Marine goes upside down and attempts to breathe compressed air from an emergency breathing system at the base pool on Marine Corps Base Hawaii, June 18, 2014. SWET is introductory training that prepares Marines to evacuate an aircraft in the event of an over-water crash. (U.S. Marine Corps photo by Cpl. Matthew Callahan)
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