An F-35B Lightning II with Marine Fighter Attack Squadron (VMFA) 121 takes off from Red Beach on Marine Corps Base Camp Pendleton, Calif., Dec. 10. This is the first time that the F-35 conducted close air support missions in support of exercise Steel Knight. (U.S. Marine Corps photo by Sgt. Brian Marion/Released) - An F-35B Lightning II with Marine Fighter Attack Squadron (VMFA) 121 takes off from Red Beach on Marine Corps Base Camp Pendleton, Calif., Dec. 10. This is the first time that the F-35 conducted close air support missions in support of exercise Steel Knight. (U.S. Marine Corps photo by Sgt. Brian Marion/Released)
Marines perform a weapons functional test on an F-35B Lightning II aircraft during Exercise Steel Knight at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 10, 2015. The F-35B is a single seat, single engine stealth multi-role fighter bringing the Marine Corps into a whole new generation of aircraft. Exercise Steel Knight allowed for Marine Fighter Attack Squadron 121 and Marine Operational and Test Evaluation Squadron 22 to train on integrating the F-35B and find its place in the Marine Air Ground Task Force, while giving the ground forces of 1st Marine Division the ability to become familiar with it. - Marines perform a weapons functional test on an F-35B Lightning II aircraft during Exercise Steel Knight at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 10, 2015. The F-35B is a single seat, single engine stealth multi-role fighter bringing the Marine Corps into a whole new generation of aircraft. Exercise Steel Knight allowed for Marine Fighter Attack Squadron 121 and Marine Operational and Test Evaluation Squadron 22 to train on integrating the F-35B and find its place in the Marine Air Ground Task Force, while giving the ground forces of 1st Marine Division the ability to become familiar with it.