Ключевые слова: aerial warfare, aeronautics, aeroplane, aerospace, air combat, air force, aircraft, airplane, armed forces, aviation, biplane, combat aircraft, defence, defense, dogfight, first world war, flight, fly, flying, historic, military, military aviation, old, plane, propeller, radial engine, retro, sopwith, sopwith pup, vhpsp, vintage, war, warbird, warbirds, warplane, weapon, world war 1, world war i, ww1, wwi,