U.S. Marines with Combat Logistics Battalion 15, 1st Marine Logistics Group, and 3rd Battalion, 4th Marine Regiment, 1st Marine Division, wait by a 500-gallon drum of water to conduct a Helicopter Support Team drill at Mountain Warfare Training Center, Bridgeport, California, Oct. 25, 2016. The drum was taken into the Sierra Mesa Mountains to support Marines who are conducting field operations during Mountain Exercise 6-16. - U.S. Marines with Combat Logistics Battalion 15, 1st Marine Logistics Group, and 3rd Battalion, 4th Marine Regiment, 1st Marine Division, wait by a 500-gallon drum of water to conduct a Helicopter Support Team drill at Mountain Warfare Training Center, Bridgeport, California, Oct. 25, 2016. The drum was taken into the Sierra Mesa Mountains to support Marines who are conducting field operations during Mountain Exercise 6-16.