Patrons of the NATO Days Air Show view NATO allies’ and partner nation’s military ground and aviation equipment on display during the air show in Ostrava, Czech Republic, Sept. 15, 2018. Airmen from the 4th Airlift Squadron, alongside 18 NATO allies and partner nations, provided military ground and aviation equipment for the air show. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)