U.S. Air Force Senior Airman Elizabeth Silvers, 4th Airlift Squadron loadmaster, chains a U.S. Marine Corps UH-1Y Venom to a C-17 Globemaster III at Václav Havel Airport Prague, Czech Republic, Sept. 10, 2018. The helicopter had to be held down with safety chains in case it slipped during the offload. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)