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
Collaborationist Chinese Army Japanese weapons. Their Japanese advisers viewed the army as a strictly infantry force, providing it only with minimal artillery and armor, and what little they did receive was mostly used by Wang's three Capital Guard divisions. The main type of artillery in use by the Nanjing Army were medium mortars, with 31 field guns (including Model 1917 mountain guns) being in use by the Guards divisions. The Japanese provided 18 Type 94 tankettes in 1941 so that the Wang Jingwei regime would have at least a token armored force. Records indicate that the Nanjing Army was also given 20 armored