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U.S. Marine Corps Lt. Sarah Faris, left, oversees Sgt. William Lashbrook, with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, insert an IV into Sgt. Keysean Chavers during a Combat Lifesaver Course aboard the U.S. Navy amphibious assault ship USS Bonhomme Richard (LHD 6) Oct. 22, 2016. During body assessments, Marines responded to mock injuries given by the corpsmen instructors.