3rd, a-50, aew, air force, air-to- air, aircraft, airport, all-weather, altitude, and, art, band ., bomber, detection, developed by, double, double soviet fighter-interceptor, emerald -2, english, f-14, far, fighter, fighter-bomber, fighter-interceptor, fighters, flashlight, flight, foksbet, fourth generation, foxbat, front, generation, group, grumman aircraft engineering corporation, hawker, high-altitude, hurricane, il- 78, ilyushin, interceptor, jet, long range, mig- 25, mig- 31, mikoyan and gurevich.mig - 31, miscellaneous, missile, mk iv, modifications, off, picture, pilot, plane, propeller, radar, radar rp -1u, reginald mitchell, runway, russia, scout, second, signal fire, single, sky, soviet, spitfire, standard, strategic, su- 15, supermarine, supermarine spitfire, supersonic, system, tanker, times, tomcat, tu- 160, tupolev, variable geometry wing, war, were used, with variable sweep wing, world, yak -25k, yakovlev