Inter-war period Czech Air Force insignia. Top Row: No.1. Unofficial badge of 5 Aviation Regiment in Brno. No.2. Moravian Aero Club badge. No.3. Republic of Czechoslovakia Aero Club badge.
Bottom Row: No.1. Field Pilot qualification. No.2. Field Observer qualification. No.3. Field Air Gunner qualification. No.4. Field Air Observer of Arms.