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
Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle The Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle was a variant of the Type 94 tankette adapted to chemical warfare by the Imperial Japanese Army. The Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle were configured as an independent mobile liquid dissemination chemical vehicle with respective mobile disinfecting anti-chemical agents vehicle for support to Japanese chemical infantry units in combat. These special vehicles for chemical warfare were developed in 1933–1934. The Type 94 tankette was modified and used as a "tractor"; closed for protection against