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
Structure of the German Army but is supported by the units of the Joint Medical Service as needed. Structure of the German Army The following article lists German active and reserve units within the structure of the German Army . Reserve units do not possess any heavy equipment and their personnel is intended as replacements for losses sustained by regular units. As part of the Franco-German Brigade: As part of the Multinational Corps Northeast: Signals, Psychological Operations, Strategic Reconnaissance (incl. SIGINT), Geographic Information (incl. military satellites), and Electronic Warfare units of the German Armed Forces fall under the Cyber and Information Space Command (Kommando Cyber-