Arms and Armour
Admiralty scaffolding, also known as Obstacle Z.1, or sometimes simply as beach scaffolding or anti-tank scaffolding, was a British anti-tank and anti-boat obstacle design made of tubular steel. It was widely deployed on the beaches of southern England, eastern England and South West England during the British anti-invasion preparations of World War II, though scaffolding was also used, but more sparingly, inland.
Improvised explosive device.
Convoy PQ 12.
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