Chemical weapons in World War I volatile oily liquid. It was introduced as a vesicant by Germany in July 1917 prior to the Third Battle of Ypres. The Germans marked their shells yellow for mustard gas and green for chlorine and phosgene; hence they called the new gas "Yellow Cross". It was known to the British as "HS" ("Hun Stuff"), and the French called it "Yperite" (named after Ypres). Mustard gas is not an effective killing agent (though in high enough doses it is fatal) but can be used to harass and disable the enemy and pollute the battlefield. Delivered in artillery shells, mustard gas was
History of the German Army Aviation Corps up of the German Army Aviation Corps. On 7 January 1957, the German Army Aviation Corps took over Mendig Air Base air base from the French Armed Forces. The first aircraft to be used was a Dornier Do 27. In March 1957, 130 conscripts started their basic training within units of the German Army Aviation Corps. During 1957, several new bases and squadrons were founded. Niedermendig, later renamed to Mendig, Fritzlar and Celle were the first bases with flying units. On 9 March 1959, 130 SA318 Alouette II were bought. For more than 40 years, this helicopter was to be