NAVAL SUPPORT FACILITY INDIAN HEAD, Md.? Marines and sailors of Chemical Biological Incident Response Force, II Marine Expeditionary Force, show Sgt. Maj. Carlton Kent, the 16th sergeant major of the Marine Corps, rope rescue techniques March 18. Kent spoke with the Marines and sailors on upcoming changes, such as the new combat fitness test, which is a new way of measuring a Marines combat fitness, and the Marine Corps? new physical fitness apparel. (Official U.S. Marine Corps photo by Cpl. Leslie Palmer) (RELEASED) - NAVAL SUPPORT FACILITY INDIAN HEAD, Md.? Marines and sailors of Chemical Biological Incident Response Force, II Marine Expeditionary Force, show Sgt. Maj. Carlton Kent, the 16th sergeant major of the Marine Corps, rope rescue techniques March 18. Kent spoke with the Marines and sailors on upcoming changes, such as the new combat fitness test, which is a new way of measuring a Marines combat fitness, and the Marine Corps? new physical fitness apparel. (Official U.S. Marine Corps photo by Cpl. Leslie Palmer) (RELEASED)