Christopher Falkowski, facilities engineer with Engineering Services & Support Branch of the Materials and Manufacturing Directorate, looks through binoculars to see if the light bulb is securely in its socket at Joint Base Langley-Eustis, Virginia, April 30, 2019. The sockets were over 30 feet up, requiring binoculars to properly view them. (U.S. Air Force photo by Airman 1st Class Marcus M. Bullock)