Citizen-soldiers of Distribution Company, Puerto Rico National Guard, 192nd Water Purification Section, Brigade Support Battalion, receive Lightweight Water Purifier System training at Cerrillos Reservoir, Ponce, Puerto Rico, Feb. 9. The water recycling practice exercise improves unit's capabilities in the event of a state or federal emergency in which their expertise and resources might be needed. (U.S. Army photo by Spc. Wilma Orozco, 113th Mobile Public Affairs Detachment, 101st Troop Command, Puerto Rico Army National Guard)