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
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