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 was founded. Even before helicopters had been purchased by the German government, the first officers to become helicopter pilots in the newly formed German Army began their training in August 1956 in the United States at Fort Rucker. In September 1956, the German government purchased the following types of helicopters for the German Army Aviation Corps: Additionally, with the Dornier Do 27 a conventional aircraft was also procured. On 7 November 1956, Colonel Horst Pape became the first head of Department German Army Aviation Corps within the General Staff, after having been responsible since 1954 for the planning and setting