Ключевые слова: air force, aircraft, airplane, american, armed forces, blue sky, britain, british, c47, camouflaged, cargo, cloudless, conflict, dakota, dc3, dday, defence, defending, defense, douglas, english, flight, fly, flying, historical, history, idle, low, offence, orderly, overhead, pattern, plane, propeller, protection, r4d, raf, royal air force, sky, speed, transport, twin engined, workhorse, world war two, wwii,