air force military aircrafts 565 aircraft construction 405 history 309 helicopters 117 military training 41 fighter aircrafts 36 more ... military operations 36 air transport 24 navy 22 airliners 19 aircraft engines 18 military transport 18 reconnaissance 16 combat activity of air forces 15 innovation 13 bombers 12 air defence troops 12 military airports 11 flight control 10 aircrafts 9 supersonic aircrafts 9 military defence 8 military equipment transportation 7 tankers 7 military history 7 bombing 6 accidents 6 sea ships 6 radiolocation 6 less ...