South West Africa, South Africa. Shoulder board of the Koevoet Base Zulu Swapol. Zulu was the call sign of the Koevoet overall command element stationed in Oshakati. West Africa Police SWP (South West Police). KOEVOET units were an effective elite counter-terrorism and counter-insurgency force. South West Africa ceased to exist in 1989, when it became Namibia after a long and bloody war. All existing KOEVOET units were either disbanded or withdrawn to South Africa. Pre-1990 South African insignia, apartheid period. South West Africa, South Africa.