Nov 12, 2013

Retired Master Sgt. Mike Marzinsky, underwater egress trainer, and a resident of Fallbrook, teaches Marines with 2nd Battalion, 5th Marine Regiment, how to breathe underwater using a scuba tank during a helicopter dunker exercise here, Nov. 4, 2013. The training is designed to teach Marines how to egress from a helicopter in the event it crashes in open waters. The Marines conducted the training as preparation for their upcoming deployment with the 31st Marine Expeditionary Unit.

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1st Marine Division