British war crimes September 1915 and continued their usage for the remainder of the war. This was done in retaliation for the use of chlorine by Imperial German Army the preceding April. Following the Imperial German Army's use of poison gas at Ypres, the commander of II Corps, Lieutenant General Sir Charles Ferguson, had said of poison gas: Mustard gas was first used effectively in World War I by the German army against British and Canadian soldiers near Ypres, Belgium, in 1917 and later also against the French Second Army. The name "Yperite" comes from its usage by the German army near the
Structure of the German Army own units of such type, but is supported by the units of the Cyber and Information Space Command as needed. Logistics, CBRN defense and Military Police units of the German Armed Forces fall under the Joint Support Service (Streitkräftebasis) of the Bundeswehr. Therefore, the German Army does not have its own units of such type, but is supported by the units of the Joint Support Service as needed. All medical units of the German Armed Forces fall under the Joint Medical Service of the Bundeswehr (Zentraler Sanitätsdienst der Bundeswehr). Therefore, the German Army does not have its own medical units,