It was awarded to other ranks for distinguished service in the field .
The Van Riebeeck Medal , post-nominal letters VRM , is a military decoration for bravery which was instituted by the Union of South Africa in 1952 .
Van Riebeeck Medal was awarded to other ranks for distinguished service in the field .
The Van Riebeeck Medal , post-nominal letters VRM , is a military decoration for bravery which was instituted by the Union of South Africa in 1952 .