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
Kawasaki Army Type 88 Reconnaissance Aircraft Kawasaki Army Type 88 Reconnaissance Aircraft The Kawasaki Army Type 88 Reconnaissance Aircraft was a Japanese single-engined biplane designed for Kawasaki by Richard Vogt. Originally known by its company designation KDA-2, it was accepted by the Imperial Japanese Army as the Type 88 Reconnaissance Aircraft. The Type 88 number was designated for the year the aircraft was accepted, 2588 in the Japanese imperial year calendar, or 1928 in the Gregorian calendar. The basic design was modified into the Type 88 Light Bomber that used in combat over China in the Second Sino-Japanese War. The Type 88 was built in large