Maunsell Forts - Wikipedia
WEBKnock John Fort. Knock John fort is situated approximately 16.1 kilometres (9 nmi) from the coast off Essex and was grounded on 1 August 1942. It was decommissioned on 14 June 1945 and evacuated on 25 June 1945.
Full story behind the bizarre abandoned structures just off the …
WEBJan 6, 2020 · Further north of Kent's coastline and nine miles off the east of Essex is the Knock John naval fort. After being taken out of action in 1945, it was then maintained to May 1956 until it was abandoned.
Maunsell Forts: The full story behind the mysterious abandoned ...
WEBMay 27, 2020 · Further north of Kent's coastline and nine miles off the east of Essex is the Knock John naval fort. After being taken out of action in 1945, it was then maintained to May 1956 until it was abandoned.
Royal Marines Man Island Sea Forts
WEBAug 8, 2023 · Royal Marines Man Island Sea Forts. The Maunsell Forts are armed towers built in the Thames and Mersey estuaries during the Second World War to help defend the United Kingdom. They were operated as army and navy forts, and named after their designer, Guy Maunsell.
Maunsell Sea Forts of the Thames Estuary - Wadhurst History Society
WEBMay 8, 2014 · The four sea forts, operated by the Royal Navy, were Knock John, Rough Sands, Sunk Head, and Tongue Sands. Seven anti-aircraft forts, operated by the Army, were sited in the Mersey (four forts) and Thames Estuary (three forts), these latter being Nore, Red Sands, and Shivering Sands.
The Maunsell Sea Forts - HeritageDaily - Archaeology News
WEBMay 20, 2020 · Knock John (U4) Army Forts. By 1943, Maunsell designed a new concept fort system consisting of several interconnected steel platforms in a defensive array around a central control tower. Four towers were armed with QF 3.75 inch guns arranged in a semicircle ahead of the control centre and accommodation tower.
Knock John Sea Fort and life on Fort Roughs | The SWLing Post
WEBOct 14, 2019 · This is a recent posting of a trip out to the Knock John Fort and also of a new book about life on a sister fort, Roughs Tower. Report – – Knock John Sea Fort – May 2018 | Noteworthy Report. The fort is still dry inside. This was the home of R Essex and the RCA ET4336 + T aerial. When Bates closed Essex they moved to the Roughs.
Maunsell Forts: Knock John - Young Pioneer Tours
WEBKnock John, as per all the other forts was built as an armed defense tower during WW2 to protect against Nazi ships and indeed Nazi invasion. Following the war, some were torn down, others turned into countries and others still …
Fort Knock John - undergroundkent
WEBAug 23, 2004 · Fort Knock John, the last of the four Naval Sea Forts, was constructed at a disused cement works on the south bank of the Thames between Northfleet and Gravesend on the Kent Coast. Access to the Thames was therefore immediately available.
Knock John Maunsell Sea Fort .... A Brief History - Plusnet
WEBThese were designed as a reinforced concrete pontoon measuring 168 by 88 feet supporting two hollow cylindrical towers, 24 feet in diameter, which were topped by a gun deck, an upper deck and a central tower unit which controlled radar equipment.