Marine Pfc. Christian Cosper conducts rappelling during a Helicopter Rope Suspension Technique (HRST) course on Camp Hansen, Okinawa, Japan, Jan. 8, 2019. Marines and Sailors conducted HRST training in order to maintain their combat readiness and lethality. Cosper, a data systems administrator with 3rd Marine Expeditionary Force Information Groups' Support Battalion, 3rd Marine Expeditionary Force, is a native of Tulsa, Oklahoma. ( Marine Corps photo by Lance Cpl. Christian Ayers)

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Keywords: 3, 3msb, 3rd, battalion, camp, division, expeditionary, fast, force, hansen, helicopter, hrst, japan, mardiv, marine, mef, okinawa, rappeling, rappelling, rope, support, suspension, technique, training