Chemical weapons in World War I in Palestine during the Second Battle of Gaza. Russia began manufacturing chlorine gas in 1916, with phosgene being produced later in the year. Most of the manufactured gas was never used. The British Army first used mustard gas in November 1917 at Cambrai, after their armies had captured a stockpile of German mustard gas shells. It took the British more than a year to develop their own mustard gas weapon, with production of the chemicals centred on Avonmouth Docks. (The only option available to the British was the Despretz–Niemann–Guthrie process). This was used first in September 1918 during the breaking
History of the German Army Aviation Corps History of the German Army Aviation Corps The history of the German Army Aviation Corps goes back to the time when the German Wehrmacht first began to develop helicopters. The first helicopter flight in Germany took place on 26 June 1936 with a Focke-Wulf Fw 61. The Focke-Wulf Fw 61 was, however, an experimental helicopter and only two examples were ever built. Yet, Ernst Udet, head of the Reich Air Ministry development wing, having seen the demonstration flights, became a proponent of this relatively new type of aircraft. During World War II, several types were considered to be procured for