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 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