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British Mk XVII contact sea mine
The Mk XVII was the standard British sea mine of the Second World War.
The sea mine could be laid in 915m of water with a charge of either 145kg or 240kg. Sea mines were constructed with an outer steel case for buoyancy and an inner container which held the fuses, detonators, primers, triggers and charge. when a vessel hit the mine it would explode.
Mine were used extensively by both Allied and enemy forces during the Second World War, particularly in shallow coastal waters like the English Channel.

1979 Leopard Mark IV Security Vehicle
This vehicle was designed to protect its occupants from landmines and small arms fire in Southern Rhodesia, now calles Zimbabwe. it was used by a police unit in Salisbury, now called Harare, during the Civil War leading up to independence in 1980.