A comprehensive reference work on the development of the military helicopter over the past 65 years, from the first models tested and used during World War 2 to the highly specialised types of the present day. Included are the helicopters of all major manufacturers such as Bristol, Saunders-Roe and Westland from the UK, Bell, Boeing-Vertol, Hiller, Hughes, Kaman, Piasecki, Robinson and Sikorsky from the USA, Kamov and Mil from Russia and other companies around the globe including Aérospatiale, Agusta, Denel, Eurocopter, HAL and PZL. In addition to several crack drawings and an alphabetically arranged index, the work includes more than 500 photographs from archives and private image collections. With details of the most important technical data for all helicopter types shown.