The Service Medal in Bronze was instituted by the President of the Republic of South Africa in April 1996. It was awarded to veteran cadres of Umkhonto we Sizwe, the military wing of the African National Congress, for ten years service.

uMkhonto we Sizwe was the paramilitary wing of the African National Congress (ANC), and was founded by Nelson Mandela in the wake of the Sharpeville massacre. Its mission was to fight against the South African government.