28th CES Utilities
Senior Airman Joshua Peterson, 28th Civil Engineer Squadron water and fuels systems technician, pressure washes a storm drain during routine maintenance at Ellsworth Air Force Base, S.D., June 27, 2012. This drain was overflowing with water from recent heavy storms, and needed to be cleaned out to ensure it met environmental compliance standards. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)