Sulfur mustard later also against the French Second Army. The name Yperite comes from its usage by the German army near the town of Ypres. The Allies did not use mustard agent until November 1917 at Cambrai, France, after the armies had captured a stockpile of German mustard shells. It took the British more than a year to develop their own mustard agent 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 of the Hindenburg Line. Mustard agent was dispersed
Kawasaki Army Type 92 Fighter Kawasaki Army Type 92 Fighter The Kawasaki KDA-5 was a Japanese single-seat biplane fighter designed by the German Dr. Richard Vogt for the Imperial Japanese Army. The KDA-5 was designed by Richard Vogt to meet a Japanese Army requirement for a fighter biplane. Five prototypes were built by Kawasaki Kōkūki Kōgyō K.K. and first flown in 1930. Following testing, the aircraft was ordered into production in 1932 as the Army Type 92 Model 1 Fighter. The aircraft had unequal-span sesquiplane wings and fixed tailwheel landing gear and was powered by a 470 kW (630 hp) BMW VI engine. After 180