Sulfur mustard later also against the French Second Army. The name Yperite comes from its usage by the German army near the town of Ypres. The Allies did not use mustard agent until November 1917 at Cambrai, France, after the armies had captured a stockpile of German mustard shells. It took the British more than a year to develop their own mustard agent 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 of the Hindenburg Line. Mustard agent was dispersed
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