Technical Sgt. William Mock and Staff Sgt. John Seifert, both from Army Forces' Petroleum, Oils and Lubricants Section, pour pond water into a Reverse Osmosis Water Purification Unit during training at Soto Cano Air Base, Honduras, May 4. Instructors from Ft. Lee, Va., are conducting a course here May 3-7, teaching JTF-Bravo members how to operate the ROWPU, which can be used to provide drinkable water from any water source. JTF-Bravo maintains ROWPU capability in order to assist in disaster relief situations where clean drinking water is needed. (U.S. Air Force photo by 1st Lt. Jen Richard)