U.S. Military Aircraft Designations and Serials Since 1909

20 mm cannon AIM-9 Sidewinder aircraft airframe airscrews allocated Army became biplane BOEING bomber built camera cancelled charge number cockpit completed crew CURTISS delivered delivery designation DOUGLAS electronics engine equipment changes evaluation FAIRCHILD fitted flying boat forward fuselage four 20 fuel capacity fuel tanks fuselage GRUMMAN helicopter hp Liberty hp Wright impressed Model later converted lb bombs lb of bombs lbst Lend-Lease LOCKHEED machines MARTIN McCook Field Military version missiles Mk.II modified monoplane Navy NORTH AMERICAN nose guns operated photo reconnaissance powered procured Production version Projected prototype provision radar RCAF re-engined rear fuselage rebuilt reconnaissance version redesigned rockets sailplane seats self-sealing fuel tanks serial numbers SIKORSKY Single single-engined Single-seat Squadron Staff transport standard tail surfaces Tandem two-seat tests Total trainer transferred turbojet twin-engined underwing pylons USAAC USAAF USAF USCG USMC USN version ventral VTOL wing guns wingtip Wright-Hispano