Preserving the power: Airmen maintain generators in Niger Published Feb. 18, 2020 By Tech. Sgt. Alex Fox Echols III 435th Air Expeditionary Wing Public Affairs NIGERIEN AIR BASE 201, Niger -- U.S. Air Force Senior Airman Devin Kerns, left, and Staff Sgt. Christopher Khamphady, 724th Expeditionary Air Base Squadron electrical power production technicians, pose for a photo after completing a 400-hour preventative maintenance inspection for a basic expeditionary airfield resources power unit at Nigerien Air Base 201, Niger, Feb. 11, 2020. The generators supply power for most locations on the installation and run continuously for days at a time, requiring continual maintenance to prevent breakage. (U.S. Air Force photo by Tech. Sgt. Alex Fox Echols III)