U.S. Air Force communications Airmen, Staff Sgt. Alexander Chai, 724th Expeditionary Air Base Squadron RF transmissions journeyman, conduct maintenance on one of the satellite dishes housed at Nigerien Air Base 201, Sept. 17, 2017, in Agadez, Niger. The communications section of the squadron ensures the deployed service members and contractors can communicate with colleagues and loved ones across the world from the remote location. (U.S. Air Force photo by Staff Sgt. Joshua R. M. Dewberry)