Commanders of all military branches about to board a bus to head to a fueling station and water purification site during the Quartermaster Liquid Logistics Exercise, June 12, 2014, at Fort A.P. Hill, Va. QLLEX 2014 is a joint forces exercise that 64 units at eight locations across the continental U.S. will deliver more than 3.25 million gallons of petroleum and produce 479,000 gallons of water, designed to challenge and develop the battalion's staff military decision making skills. (U.S. Army photo by Spc. Nicole R. Paese/ Released)