Staff Sgt. Jason Holmes, 51st Civil Engineer Squadron construction inspector, views a drone’s camera feed while flying over Osan Air Base, Nov. 2, 2020. The 51st CES is responsible for inspecting the thousands of roof tops across the installation, and they have incorporated the use of drones to remove Airmen from the inherent hazard of physically inspecting rooftops. (U.S. Air Force photo by 1st Lt. Daniel de La Fé)