U.S. Air Force Lt. Gen. Richard W. Scobee, commander of Air Force Reserve Command, Czech Republic Air Force Maj. Gen. Petr Mikulenka, Czech Air Force commander, U.S. Air Force Maj. Gen. Daryl L. Bohac, Nebraska National Guard adjutant general, and Staff Sgt. Todd Bevan, 307th Aircraft Maintenance Squadron B-52 Stratofortress crew chief, celebrate the Air Force's birthday Sept. 18, 2021 in Ostrava, Czech Republic. The celebration was held during NATO Days 2021, an annual airshow highlighting the military capabilities of NATO partners. (U.S. Air Force photo by Senior Master Sgt. Ted Daigle)