24 april 1946 ., air force, aircraft, airport, all-metal, american, ammunition, arms, art, bf.109, bomber, clouds, construction, construction polikarpov, developed by, engine, engines, f-105, f-22, f-35, fargo, fifth-generation fighter, fighter, fighter-bombers, fighters, first, flight, future, fw-190, gripen, has made, height, i- 190, in the air, inconspicuous, interceptor, jas 39, jet, landscape, mig- 29, mig- 31, mig- 9, mikoyan and gurevich, mikoyan and gurevich mig-31 fighter, military, north american f-100, okb mikoyan and gurevich, picture, plane, polutoraplan, rockets, russia, russian air force, scout, second, serial, single, single-engined, sky, soviet, spitfire mk. xiv, super sabre, supermarine, supersonic, technology, the field, the pair, the world, times, turbojet, two, two fighter, united states air force, united states., vf-1a valkyrie jet fighter, war, wing, wings, world, ww2