Under the Union Defence Force, South Africa was originally divided into 9 military districts.

[2] Cape Command, (with its headquarters at the Castle of Good Hope, Cape Town, included 3rd Infantry Brigade, 8th Infantry Brigade (Oudtshoorn), the Coast Artillery Brigade (two heavy batteries, two medium batteries, and the Cape Field Artillery), and a battery of the 1st Anti-Aircraft Regiment.

From 1 August 1974, units transferred from Western Province Command to the new 71 Motorised Brigade included the Cape Field Artillery, the Cape Town Highlanders, Regiment Westelike Provinsie, Regiment Boland, Regiment Oranjerivier, a South African Engineer Corps field squadron, 74 Signal Squadron SACS, 4 Maintenance Unit, 30 Field Workshop SAOSC, and 3 Field Ambulance.

[3]: 16  12 Supply and Transport Company, originally established on 22 August 1961, became 4 Maintenance Unit on 1 September 1971.

By the early 1980s Western Province Command included the Cape Garrison Artillery, 101 Signal Squadron, 6 Base Ordnance Depot, Command Workshops (all at Cape Town) the South African Cape Corps Battalion (Eerste River, Western Cape), 2 Military Hospital, 3 Field Ambulance, and three Commandos (all at Wynberg) and 10 Anti-Aircraft Regiment SAA and 4 Electronics Workshops (both at Youngsfield Military Base at Ottery, Cape Town).