The submarine “U Boat” menace of the Second World War became commonly known as the “Battle of the Atlantic”, but it also extended to all oceans and the strategic point rounding the South African Cape became a focus point of the submarine war and German attention – and subsequently the attention of The South African Navy and her British Allies.

A typical example of the danger, survival and sacrifice in South African waters is the story of the sinking of the “City of Johannesburg” by German submarine U-504 (seen in the featured image above).  U-504 was a Type IXC U-boat of Nazi Germany’s Kriegsmarine during World War II, the SS City of Johannesburg was a merchant vessel carrying supplies off the coast of East London, South Africa.

Of the merchantmen on board the SS City of Johannesburg, 90 in total, 4 perished and there where 86 survivors. Their survival in…