or used in an operational capacity other than evaluation, it should be listed above under its appropriate type. Napkinwaffe - paper projects and aircraft that first flew after the war are not included. Fighter prototypes Bomber and attack aircraft prototypes Transport prototypes Glider prototypes Trainer prototypes Rotorcraft prototypes Missile prototypes Miscellaneous prototypes Experimental aircraft Aircraft intended to prove a concept or idea and which were not intended or suitable for military service. Does not include operational aircraft modified for experimental purposes. Flight behaviour research Engine research Misc research See also List of Interwar military aircraft List of fighter aircraft List of bomber aircraft List of attack aircraft List of jet aircraft of World War II List of World War II military gliders List of aircraft of Canada's air forces List of aircraft of the French Air Force during World War II List of aircraft of Germany in World War II List of aircraft of Japan, World War II List of aircraft of Poland during World War II List of aircraft of the Red Army Air Forces List of Regia Aeronautica aircraft used in World War II List of aircraft of the United Kingdom in World War II List of aircraft of the United States during World War II References Notes Citations Bibliography Lists of World War II aircraft