Marines with the Maritime Raid Force, 31st Marine Expeditionary Unit, carry a Combat Rubber Raiding Craft into the ocean at Kin Blue, Okinawa, Japan, Dec. 2, 2015. The Marines are preparing for helocast training. Helocasting is a maritime insertion technique where Marines jump from a helicopter into the water and either swim to waiting CRCCs or the shore. (U.S. Marine Corps Photo by Cpl. Thor J. Larson/Released)
<br>Unit: 31st Marine Expeditionary Unit
Cpl. Thor Larson
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