49th CES works with contractors to install new energy efficient lighting
HOLLOMAN AIR FORCE BASE, N.M. -- Contractors work with the 49th Civil Engineer Squadron Assets Management office to install energy efficient lighting in an aircraft hangar March 24, 2011. The high output fluorescent lighting is network controlled, and is predicted to save 40 percent of energy compared to the old lighting. (U.S. Air Force photo by Airman 1st Class Eileen Payne/Released)