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
Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle The Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle was a variant of the Type 94 tankette adapted to chemical warfare by the Imperial Japanese Army. The Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle were configured as an independent mobile liquid dissemination chemical vehicle with respective mobile disinfecting anti-chemical agents vehicle for support to Japanese chemical infantry units in combat. These special vehicles for chemical warfare were developed in 1933–1934. The Type 94 tankette was modified and used as a "tractor"; closed for protection against