Glenbrook Tunnel War One. The first was Chlorine gas which was introduced by the Germans at the Second battle of Ypres in April 1915. This was followed by the use of Phosphene Gas, also introduced by the Germans. These attacked victims' respiratory organs causing coughing and choking. The Germans used Mustard Gas, a more advanced gas, for the first time at Riga (or Yperite) in September 1917. It caused both internal and external blistering in its victims. The blistering was often delayed and remained in the ground for weeks afterwards making capture of infected trenches dangerous. Protection against mustard gas was far
History of the German Army Aviation Corps up of the German Army Aviation Corps. On 7 January 1957, the German Army Aviation Corps took over Mendig Air Base air base from the French Armed Forces. The first aircraft to be used was a Dornier Do 27. In March 1957, 130 conscripts started their basic training within units of the German Army Aviation Corps. During 1957, several new bases and squadrons were founded. Niedermendig, later renamed to Mendig, Fritzlar and Celle were the first bases with flying units. On 9 March 1959, 130 SA318 Alouette II were bought. For more than 40 years, this helicopter was to be