U.S. Army Pacific Soldiers participated in a weeklong field-testing and train-the-trainer exercise using the Aspen 2000 water purification system coupled with a water packaging trailer on Schofield Barracks, Hawaii, Feb. 9-18. Soldiers with the 40th Composite Supply Company, 45th Sustainment Command, learned how to work the Water in a Box system and provided a demonstration. (U.S. Army photo by, Staff Sgt. Kyle J. Richardson, USARPAC PAO)