A CH-53E Super Stallion hovers over an M777 Howitzer where Marines with Landing Support Platoon, Truck Support Company, Combat Logistics Battalion 5, prepare to attach an M777 Howitzer to a CH-53E Super Stallion as it hovered over the gun during Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twenty-nine Palms, Calif., Dec. 9, 2014. The exercise gave the Marines the opportunity to refine and rehearse essential skills needed in a combat environment. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operation and provides realistic training that prepares Marine for overseas operations. - A CH-53E Super Stallion hovers over an M777 Howitzer where Marines with Landing Support Platoon, Truck Support Company, Combat Logistics Battalion 5, prepare to attach an M777 Howitzer to a CH-53E Super Stallion as it hovered over the gun during Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twenty-nine Palms, Calif., Dec. 9, 2014. The exercise gave the Marines the opportunity to refine and rehearse essential skills needed in a combat environment. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operation and provides realistic training that prepares Marine for overseas operations.

Petty Officer 2nd Class Justin Wilson, a hospital corpsman with Truck Support Company, Combat Logistics Battalion 5, supported Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif. Wilson has worked with Navy units and Marine units, caring diligently for service members during field exercises like Steel Knight, back at the barracks of Marine Corps Base Camp Pendleton and while deployed. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operations and provides realistic training that prepares Marine for overseas operations. (U.S. Marine Corps photo by Cpl. Christopher J. Moore/Released) - Petty Officer 2nd Class Justin Wilson, a hospital corpsman with Truck Support Company, Combat Logistics Battalion 5, supported Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif. Wilson has worked with Navy units and Marine units, caring diligently for service members during field exercises like Steel Knight, back at the barracks of Marine Corps Base Camp Pendleton and while deployed. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operations and provides realistic training that prepares Marine for overseas operations. (U.S. Marine Corps photo by Cpl. Christopher J. Moore/Released)

A convoy attached to Truck Company, Combat Logistics Battalion 5, enters a mock enemy town where Marines acting as enemy soldiers waited to ambush the vehicles during convoy training in support of Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 5, 2014. The exercise gave the Marines the opportunity to refine and rehearse essential combat skills needed in a combat environment. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operations and provides realistic training that prepares Marine for overseas operations. (U.S. Marine Corps photo by Cpl. Christopher J. Moore/Released) - A convoy attached to Truck Company, Combat Logistics Battalion 5, enters a mock enemy town where Marines acting as enemy soldiers waited to ambush the vehicles during convoy training in support of Exercise Steel Knight 2015 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 5, 2014. The exercise gave the Marines the opportunity to refine and rehearse essential combat skills needed in a combat environment. Steel Knight is an annual exercise that includes elements from the entire I Marine Expeditionary Force. The exercise focuses on conventional operations and provides realistic training that prepares Marine for overseas operations. (U.S. Marine Corps photo by Cpl. Christopher J. Moore/Released)