ARABIAN GULF (Sept. 25, 2015) Capt. Brian Quin, executive officer of Wasp-class amphibious assault ship USS Essex (LHD 2), conducts M4 rifle-familiarization training on the port elevator. Essex is the flagship of the Essex Amphibious Ready Group (ARG) and, with the embarked 15th Marine Expeditionary Unit (MEU), is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Irwin Sampaga/Released)
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