Hospital Corpsman 2nd Class Robert Park, a combat trauma management instructor with the 1st Marine Division Surgeon’s Office, poses for a portrait aboard Marine Corps Base Camp Pendleton, Calif., April 7, 2016. Park teaches Sailors and Marines combat lifesaving skills and was recently selected as the I Marine Expeditionary Force Junior Sailor of the Year. - Hospital Corpsman 2nd Class Robert Park, a combat trauma management instructor with the 1st Marine Division Surgeon’s Office, poses for a portrait aboard Marine Corps Base Camp Pendleton, Calif., April 7, 2016. Park teaches Sailors and Marines combat lifesaving skills and was recently selected as the I Marine Expeditionary Force Junior Sailor of the Year.