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
United States Army Gas School greater detail about chemical warfare. Upon its establishment, Ross A. Baker was given charge of training for Chief Gas Officers at the Army Gas School. Baker was the Chief Gas Officer at Camp Pike in Arkansas and a professor of chemistry at the University of Minnesota before taking the post at Camp Humphreys. Later in the month of October 1917 the entire Army Gas School operation was transferred to Camp Kendrick. United States Army Gas School The United States Army Gas School was established during World War I at Camp A.A. Humphreys in Virginia. The first courses began in May