Ключевые слова: aerial warfare, air combat, air force, airco, airco aircraft, armed forces, biplane, combat aircraft, defence, defense, dh5, dog fight, dog fighting, dogfight, fighter aircraft, fighter airplane, fighter plane, first world war, historic, military, military aviation, old, raf, retro, royal air force, vintage, war, warbird, warbirds, warplane, weapon, world war 1, wwi,