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 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