A mortar team with 1st Battalion, 4th Marine Regiment, conducts live-fire training during exercise Scorpion Fire in the Chocolate Mountain Aerial Gunnery Ranges, Calif., near Marine Corps Air Station Yuma, Ariz., Thursday, Aug. 14, 2014. Here, the Marines get the chance to diversify their training in a range environment that is vastly different from their resident base, Marine Corps Base Camp Pendleton, Calif.