Survey Squadron and 1st Division Survey Section 2nd Field Survey Squadron based at Sydney, formerly Eastern Command Field Survey Section and Eastern Command Field Survey Unit – New South Wales, Indonesia, Papua New Guinea, nations of South West Pacific 4th Field Survey Squadron including a Reserve component, based at Keswick Barracks, Adelaide, South Australia, formerly Central Command Field Survey Section and Central Command Field Survey Unit – South Australia, Northern Territory, Papua and New Guinea, Solomon Islands and Vanuatu 5th Field Survey Squadron including a Reserve component, based Perth, formerly Western Command Field Survey Section and Western Command Field Survey Unit – Western Australia, Indonesia New Guinea Field Survey Unit 8th Field Survey Squadron raised and disbanded in Papua New Guinea based at Popondetta, Wewak, Port Moresby 1st Topographical Survey Company (CMF) based in Sydney, NSW 2nd Topographical Survey Company (CMF) based in Melbourne, VIC (an element was absorbed by Army Survey Regiment when the company was disbanded) 1st Topographical Survey Troop – raised and based in Sydney NSW 1st Topographic Survey Troop – Detachment thereof later re designated A Sect in Vietnam, B Sect based in Sydney, NSW 9th Topographic Survey Troop (CMF) based in Sydney, NSW 7th Military Geographic Information Section based at Darwin, NT ANZUK Survey Map Depot, Singapore – formerly 16 Field Survey Depot formerly AHQ Field Survey Depot Detachment Army Map Depot, formerly AHQ Field Survey Depot and Army Field Survey Depot – Victoria School of Military Survey – initially based at Balcombe, Victoria and subsequently at Bonegilla, Victoria. In 1996 the School was integrated into the School of Military Engineering as the Geomatic Engineering Wing now at Holsworthy Barracks in Sydney Joint Intelligence Organisation Printing Section Re-integration with the Royal Australian Engineers The Survey Corps was subject to many Government and Defence reviews since the 1950s, with seven from the early 1980s. Review outcomes led to many reorganisations. In the late 1980s and early 1990s efficiency reviews led to an Army direction that the non-core strategic mapping functions of the Corps were to be tested as part of the Defence Commercial Support Program. Army decisions as part of that review were that: the combat support survey force (1st Topographical Survey Squadron) would be increased significantly; the non-core work, mainly systematic mapping of Australia would be performed by a new Army agency with civilian personnel; and, that the core strategic mapping would be retained by