Queen's Medal for Champion Shots in the Military Forces the Security Forces. The first King's Medal Competition in the Union of South Africa was held in 1924 and the first medal to a South African was won by G.W. Church of the 7th Infantry (Kimberley Regiment). The competition did not take place in 1926 and was interrupted from 1940 to 1947 by the Second World War. The last medal was awarded in 1961, the year that South Africa became a republic. From 1962, the British medal was replaced by the Commandant General's Medal (), which could be awarded to champions from any of the three Arms of the Service.
Silver Medal for Merit was amalgamated with six other military forces into the South African National Defence Force (SANDF). The Silver Medal for Merit, post-nominal letters SMM, was instituted by the President in April 1996. It is the middle award of a set of three decorations for merit, along with the Gold Decoration for Merit and the Bronze Medal for Merit. The Azanian People's Liberation Army's military decorations and medals were modelled on those of the South African Defence Force and these three decorations are the approximate equivalents of, respectively, the Southern Cross Decoration and Pro Merito Decoration, the Southern Cross Medal (1975) and