Marines with 1st Tank Battalion quick reaction force Marine Corps Air Ground Combat Center Twentynine Palms, Calif., move towards cover aboard Camp Pendleton, Feb. 28, during a quick reaction force raid training exercise. This training is part of Exercise Iron Fist, a bilateral training exercise between Marines and sailors of the 11th Marine Expeditionary Unit, Marines with several Southern California based units, and Japanese Western Army Infantry Regiment soldiers. The exercise is designed to enhance interoperability and build amphibious capabilities.