The Royal Australian Survey Corps was a Corps of the Australian Army, formed on 1 July 1915 and disbanded on 1 July 1996. As one of the principal military survey units in Australia, the role of the Royal Australian Survey Corps was to provide the maps, aeronautical charts, hydrographical charts and geodetic and control survey data required for land combat operations.

The Royal Australian Engineers (RAE) is the military engineering corps of the Australian Army. The RAE is ranked fourth in seniority of the corps of the Australian Army, behind the Staff Cadets, Armoured and Artillery Corps. The corps was formed by the amalgamation of the various colonial engineer corps of the states and territories of Australia in 1902 and since then has served in various conflicts including World War I, World War II and the Vietnam War. The corps has also served on numerous peacekeeping operations and was heavily involved in the Australian contribution to the war in Afghanistan.