Propeller believed to be from WWI German submarine recovered off Cork

Divers have recovered a propeller believed to be from a World War One German submarine which sank in Cork Harbour in 1917.
The UC-42 sank in 30 metres of water just off Roches Point at the mouth of Cork Harbour on 10 September 1917 when a mine it was carrying exploded. All 27 members of the crew died.
The entrance to Cork Harbour was regularly mined by German forces during WWI in a bid to disrupt British supply routes.
The location of the submarine was re-discovered in 2010 by local divers. Protected under the National Monuments Act, the submarine is considered a war grave.
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