James Kliewer (left) and Jonathan Rexroad, 28th Civil Engineer Squadron engineering technicians, handle one of 162 photovoltaic solar panels to be used in an energy conservation project on Ellsworth Air Force Base, S.D., Feb. 24, 2011. The pair are two of the four Student Temporary Employment Program participant working in the 28th CES Asset Management Flight. (U.S. Air Force photo/Staff Sgt. Marc I. Lane)