U.S. Marine crew chiefs from Marine Heavy Helicopter Squadron 464, check the High Mobility Multipurpose Wheeled Vehicle (HMMWV) before conducting a Helicopter Support Team mission at Camp LeJeune, North Carolina on September 12, 2013. The Marines used a Scikorsky CH-53E to externally lifted a HMMWV. (U.S. Marine Corps photo by Corporal William M. Kresse / Released)