Marines set up security after exiting the Humvee Egress Assistance Trainer during a drill at Camp Hansen April 23. The Marines are with Marine Aerial Refueler Transport Squadron 152, Marine Aircraft Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force. - Marines set up security after exiting the Humvee Egress Assistance Trainer during a drill at Camp Hansen April 23. The Marines are with Marine Aerial Refueler Transport Squadron 152, Marine Aircraft Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force.