British war crimes September 1915 and continued their usage for the remainder of the war. This was done in retaliation for the use of chlorine by Imperial German Army the preceding April. Following the Imperial German Army's use of poison gas at Ypres, the commander of II Corps, Lieutenant General Sir Charles Ferguson, had said of poison gas: Mustard gas was first used effectively in World War I by the German army against British and Canadian soldiers near Ypres, Belgium, in 1917 and later also against the French Second Army. The name "Yperite" comes from its usage by the German army near the
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