EntityQ6665625· pop 5· linked from 147 articlesLockheed Model 44 ExcaliburSign in to savetype of aircraftConnectionsLockheed AH-56 CheyenneEntityLockheed CorporationEntityLockheed A-12EntityR-1830 Twin WaspEntityLockheed VenturaEntityInternational Standard Book NumberEntityBoeingPublic companyGeneral Dynamics F-16 Fighting FalconEntityLockheed Martin F-22 RaptorEntityLockheed Martin F-35 Lightning IIConceptHoward HughesEntityLockheed MartinEntityLockheed C-130 HerculesEntityBoeing B-17 Flying FortressEntityLockheed F-117 NighthawkEntityDouglas DC-3EntityLockheed SR-71 BlackbirdEntityLockheed U-2EntityPan AmEntitySouth African AirwaysEntityCategoriesAbandoned civil aircraft projects of the United StatesAircraft with retractable tricycle landing gearFour-engined piston aircraftFour-engined tractor aircraftLockheed aircraftLockheed ConstellationLow-wing aircraftTriple-tail aircraft