Glenbrook Tunnel War One. The first was Chlorine gas which was introduced by the Germans at the Second battle of Ypres in April 1915. This was followed by the use of Phosphene Gas, also introduced by the Germans. These attacked victims' respiratory organs causing coughing and choking. The Germans used Mustard Gas, a more advanced gas, for the first time at Riga (or Yperite) in September 1917. It caused both internal and external blistering in its victims. The blistering was often delayed and remained in the ground for weeks afterwards making capture of infected trenches dangerous. Protection against mustard gas was far
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