 Complete the following phrase:  Following the outbreak of the First World War, Cunningham volunteered for the New Zealand Expeditionary Force NZEF, which was being raised for service overseas. An experienced soldier in the Territorial Force, he was assigned to the Wellington Battalion with the rank of major. He served during the Gallipoli Campaign and on 8 August 1915, when the battalion commander, Lieutet Colonel William George Malone, was killed during the 