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U.S. Navy Hospital Corpsmen assigned to III Marine Expeditionary Force Information Group, III Marine Expeditionary Force demonstrate the proper execution of water tank testing, Camp Hansen, Okinawa, Japan, Nov. 5, 2020. Water tank testing is conducted to ensure a potable water supply is available at all times during field exercises and training evolutions. (U.S. Marine Corps video by Lance Cpl. Colton K. Garrett)
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III Marine Expeditionary ForceHospital Corpsmenvital signsIII Marine Expeditionary Force Information GroupWater Tank TestingOkinawajapanU.S. NavyCamp Hansen
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