A Marine with 2nd Supply Battalion, Combat Logistics Regiment 25, applies a tourniquet to a simulated casualty at Camp Lejeune, N.C., Sept. 23, 2015. The battalion conducted the training, which simulates vehicle rollovers and how to react, in order to hone their skills prior to deploying. (U.S. Marine Corps photo by Cpl. Paul S. Martinez/Released) - A Marine with 2nd Supply Battalion, Combat Logistics Regiment 25, applies a tourniquet to a simulated casualty at Camp Lejeune, N.C., Sept. 23, 2015. The battalion conducted the training, which simulates vehicle rollovers and how to react, in order to hone their skills prior to deploying. (U.S. Marine Corps photo by Cpl. Paul S. Martinez/Released)

Motor Transport Marines with 2nd Battalion, 6th Marine Regiment, and Combat Logistics Battalion 26, Headquarters Regiment, 2nd Marine Logistics Group, conduct a simulated convoy throughout the hills aboard Bridgeport, California, Jan. 14, 2015. The Marines learned how to operate the High Mobility Multipurpose Wheeled Vehicles and the small unit support vehicles in mountainous terrain during classroom instruction and practical application. (U.S. Marine Corps photo by Lance Cpl. Kaitlyn Klein/released) - Motor Transport Marines with 2nd Battalion, 6th Marine Regiment, and Combat Logistics Battalion 26, Headquarters Regiment, 2nd Marine Logistics Group, conduct a simulated convoy throughout the hills aboard Bridgeport, California, Jan. 14, 2015. The Marines learned how to operate the High Mobility Multipurpose Wheeled Vehicles and the small unit support vehicles in mountainous terrain during classroom instruction and practical application. (U.S. Marine Corps photo by Lance Cpl. Kaitlyn Klein/released)