U.S. Marines with 1st Transportation Support Battalion, Combat Logistics Regiment 1, 1st Marine Logistics Group conduct an external lift of a Humvee and a M777 towed 155 mm howitzer with a CH-53E Super Stallion during a day battle drill in support of Weapons and Tactics Instructor Course (WTI) 1-18 at Chocolate Mountain Aerial Gunnery Range, California.