The Union Defence Force may refer to a former or current military organization:
The Union Defence Force (UDF) was the military force of the Union of South Africa from 1 July 1912, when the Defence Act took effect, two years after the creation of the Union of South Africa, until 1957 when it was reorganised and renamed the South African Defence Force.
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The South African Army is the army of South Africa, first formed after the Union of South Africa was created in 1910. The South African military evolved within the tradition of frontier warfare fought by Boer Commando (militia) forces, reinforced by the Afrikaners' historical distrust of large standing armies. It then fought as part of the wider British effort in World War II, but afterwards was cut off from its long-standing Commonwealth ties with the ascension to power of the National Party in South Africa in 1948. The army was involved in a long and bitter counter-insurgency campaign in Namibia from 1966 to 1990. It also played a key role in controlling sectarian political violence inside South Africa during the late 1980s and early 1990s.
The South African National Defence Force (SANDF) comprises the armed forces of South Africa. The commander of the SANDF is appointed by the President of South Africa from one of the armed services. They are in turn accountable to the Minister of Defence and Military Veterans of the Defence Department.
The South African Defence Force (SADF) comprised the South African armed forces from 1957 until 1994. Shortly before the state reconstituted itself as a republic in 1961, the former Union Defence Force was officially succeeded by the SADF, which was established by the Defence Act of 1957. The SADF, in turn, was superseded by the South African National Defence Force in 1994.
The Medalje vir Troue Diens - Medal for Loyal Service was instituted by the President of the Republic of South Africa on 16 April 2003 and came into effect on 27 April 2003. It can be awarded to all ranks whose character and conduct have been irreproachable and who have completed ten years of qualifying service.
The Africa Service Medal is a South African campaign medal for service during the Second World War, awarded to members of the Union Defence Forces, the South African Police and the South African Railways Police. The medal was originally intended for service in Africa, but it was later extended to cover service anywhere in the world.
The Southern Cross Medal of 1952, post-nominal letters SM, is a South African military decoration which was instituted by the Union of South Africa in 1952. It was awarded for outstanding devotion to duty and was originally available to all ranks, but from 1967 until July 1975, when it was discontinued, it was reserved for officers.
The Korea Medal is a military campaign medal which was instituted by the Union of South Africa in 1953. It was awarded to volunteers of the Union Defence Forces for service in Korea during the 1950-1953 Korean War.
The Permanent Force Good Service Medal was instituted by the Republic of South Africa in 1961, when South Africa became a republic, to replace the Union Medal. It was awarded to Permanent Force members of the South African Defence Force for eighteen years of service and good conduct.
The Military Merit Medal, post-nominal letters MMM, is a military decoration which was instituted in the Republic of South Africa on 9 October 1974 as the Chief of the Defence Force's Commendation Medal. It could be awarded to all ranks of the South African Defence Force for service of a high order.
The Pro Patria Medal is a South African military campaign medal which was instituted by the Republic in 1974. It was awarded to members of the South African Defence Force for service in an operational area, as designated by the Minister of Defence.
The General Service Medal is a military campaign medal which was instituted by the Republic of South Africa in 1987. It could be awarded to members of the South African Defence Force from 1 January 1983, for operational service inside South Africa in the prevention or suppression of terrorism or internal disorder, or the preservation of life, health or property, or the maintenance of essential services and law and order, or crime prevention.
The first South African military medal was a campaign medal, the South Africa Medal, instituted in 1854 by Queen Victoria, the Monarch of the United Kingdom of Great Britain and Ireland, for award to officers and men of the Royal Navy and British Army who served on the Eastern Frontier of the Cape Colony between 1834 and 1853 during the Xhosa Wars.
The Good Service Medal, Silver, originally named the South African Defence Force Good Service Medal, Silver, is the middle member of a set of three military medals which was instituted by the Republic of South Africa on 1 July 1975. It was initially awarded to members of all elements of the South African Defence Force for twenty years of exemplary service, but was restricted to Permanent Force personnel from 1993.
The Union Medal was instituted by the Union of South Africa in 1952. It was awarded to Permanent Force members of the South African Defence Force for eighteen years of service and good conduct.
The Unitas Medal was instituted by the President of the Republic of South Africa on 4 November 1994. It was awarded to all ranks who were on the active strength of all seven constituent military forces from 27 April 1994 to 10 May 1994, to commemorate their amalgamation into the South African National Defence Force. It was also awarded to personnel of the British Military Advisory and Training Team which served in South Africa at the time.
The Chief C.D.F. Commendation Medal was instituted by the President of the Republic of Ciskei in 1992, for award to all ranks for service commended by the Chief of the Ciskei Defence Force.
Western Province Command was a command of the South African Army.
Eastern Province Command was a command of the South African Army.