As preparation for the Gallipoli campaign progressed, the New Zealand Ordnance organisation was developed and equipped the force in accordance with Instruction G1089.

In February 1916 it was formally announced in the Evening Post Newspaper that regulations had been promulgated establishing the NZAOC as a unit of the NZEF.

[11] Once in France, Ordnance soldiers got to the business of supporting the NZ Division, although not front line troops, they were still close enough to experience the occasional shelling as this article in the Poverty Bay Herald of 8 September 1916 describes:[12] Corporal J.J Roberts of the New Zealand Army Ordnance Corps, "Somewhere in France" writes under date June 2lst.

It is very quiet here the fighting on the Peninsula was ten times worse than this.By 1918 the NZAOC had grown to include a New Zealand Ordnance Corps Section, consisting of 3 Officer and 53 ORs under the control of the NZEF Administrative Headquarters in London,[13] with the New Zealand Ordnance Base Depot at Farringdon Street, London.

The NZAOC of the NZEF adopted the British Army Ordnance Corps Badge, modifying it with the letters NZ above the shield.

The 1931 reports that:[18] "The Defence Department was called upon at short notice to supply tents, blankets, bedding, cooking and eating utensils, for use in the stricken areas.

"Despite the work carried out by the NZAOC, New Zealand was in the suffering the worst of the depression and on 31 March 1931, under the provisions of section 39 of the Finance Act, 1930 (No.