deutsche Luftfahrt; Hubschrauber und Tragschrauber Techniek und Geschichte der Hubschrauber; Von Leonardi da Vinci bis zur Gegenwart Combat Helicopters since 1942 Bell AH-1 Cobra Variants Advanced Combat Helicopters evolving roles Helicopters Superbase 16 Kaneohe Bay; The Marines' Hawaiian Haven Air Rescue saving lives stateside Soviet Battlefield Helicopters Huey; A Helicopter Legend Fighting Colors; UH-1 Huey in Color Helicopters 1900-1960