Senior Airman Josh Smith (left),and Airman 1st Class Alexander Price, 28th Civil Engineer Squadron electrical systems technicians, position an electrical wire conduit pipe at the South Dakota Air and Space Museum, Box Elder, S.D., Jan. 30, 2013. The SDASM is replacing all light fixtures with Light-Emitting Diode lights to increase the energy efficiency of the building. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)