Chemical weapons in World War I in Palestine during the Second Battle of Gaza. Russia began manufacturing chlorine gas in 1916, with phosgene being produced later in the year. Most of the manufactured gas was never used. The British Army first used mustard gas in November 1917 at Cambrai, after their armies had captured a stockpile of German mustard gas shells. It took the British more than a year to develop their own mustard gas 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
History of the German Army Aviation Corps helicopters. The Mil Mi-24 fleet, however, was no longer used and subsequently sold off. In 1991, German Army Aviation Corps helicopters provided humanitarian aid to Kurdish refugees in northern Iraq. From October 1991 onwards, Sikorsky CH-53G of the German Army Aviation Corps provided the means of transport for UN weapons inspectors in Iraq. In 1993 and 1994, in Somalia, Bell UH-1D helicopters equipped with machine-guns were used for the first time in earnest as a means for self-protection. On 1 April 1994, the German Army Aviation Corps Brigade 10 was established. This brigade united all German Army Aviation Corps transport