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 units stationed at these air bases disbanded. Medium Transport Helicopter Regiment 25, based at Laupheim Air Base disbanded on 31 December 2012 and was re-established as Helicopter Wing 64 of the German Air Force on 1 January 2013. At the same time 2nd Squadron of the air force's Air Transport Wing 61, flying helicopters of the type Bell UH-1D, became part of the Germany 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