LUKE AIR FORCE BASE, Ariz. -- Senior Airman Josh Billett, 56th Civil Engineer Squadron water and fuels system maintenance technician, presses waste water from the gunk collected from the bar screen at the waste water plant here Aug. 29, 2012. Of the 500,000 to 600,000 gallons of waste and sewage that goes into the plant daily, the plant puts out between 300,000 and 350,000 gallons of recycled water used for irrigation. (U.S. Air Force photo/Staff Sgt. Darlene Seltmann)