Senior Airman Dillon Halbach, 341st Civil Engineer Squadron electrical systems journeyman, repairs a light fixture inside the fitness center March 13, 2017, at Malmstrom Air Force Base, Mont. LED lights require half the wattage of currently used lights and also have a lamp life of 50,000 hours, nearly five times the life of fluorescent lights. (U.S. Air Force photo/Airman 1st Class Daniel Brosam)

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Photo by: Airman 1st Class Daniel Brosam |  VIRIN: 170313-F-DB969-0029.JPG