U.S. Air Force Airman Lucas Santos, 633d Civil Engineer Squadron electrical systems apprentice, replaces a light on the flight line, at Joint Base Langley-Eustis, Virginia, July 26, 2024. Keeping the flight line lit provides visual cues for pilots during takeoff and landing, further providing a safer operational environment. (U.S. Air Force photo by Airman 1st Class Adisen Smith)