From left, U.S. Army Sgt. Jordan Lauro, Brooking, Ore., Spc. Juan Caudillo, El Paso, Texas, and Pfc. Bryan Aleman, Dallas, all water treatment specialists with Company A, 404th Aviation Support Battalion, 4th Combat Aviation Brigade, 4th Infantry Division, ISAF purify and distribute potable water to military and civilian personnel who reside on Camp Marmal.