Ключевые слова: aeronautics, aeroplane, air, aircraft, airforce, airshow, armed, army, aviation, aviator, camouflage, cargo, ch47, chinook, crowd, defense, demonstration, dutch, fast, fight, flight, fly, force, green, heli, helicopter, helikopter, leeuwarden, military, modern, netherlands, plane, power, public, show, sky, speed, transport, transportation, vehicle, war, warfare, warplane,