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Phoenix Caisson is a reinforced concrete structure located off the coast at Littlestone-on-Sea in Kent. It is a component of the Mulberry Harbour system, a prefabricated artificial harbour constructed during the Second World War to support the D-Day landings in Normandy in June 1944. The caisson functioned as a breakwater unit, providing shelter within the temporary port facilities. Today it remains partially submerged in the English Channel, serving as a physical reminder of one of the war's most ambitious engineering undertakings.
Phoenix Caisson off Littlestone-on-Sea is a scheduled monument protected by Historic England under reference 1415588. View the official record →
Phoenix Caisson is a reinforced concrete structure located off the coast at Littlestone-on-Sea in Kent. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1415588.
Phoenix Caisson off Littlestone-on-Sea is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1415588.
Several scheduled monuments lie within 10 km, including Part of a Cistercian grange, north of New Romney High Street, also known as Romney Priory (3.1 km), Three acoustic early warning devices 2360m east of Jack's Court (3.6 km), Lade Fort (4.2 km).
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