What is recorded here

Knock John Tower stands in Rochford as a Maunsell Navy Fort, built to watch the sea and hold a line against invasion. Its steel frame rose from the water like a broken tooth, forcing sailors to respect the invisible border it guarded. The tower still belongs to the coast, waiting for the tide to reveal how much of its purpose has drowned.

Maunsell Navy Fort "Knock John Tower" is shown as a fort on the public map of Rochford. The saved point is the map point or the centre of its mapped shape.

Built by the British Royal Navy during World War II, the Maunsell Navy Fort "Knock John Tower" was part of a series of sea forts designed to defend the Thames Estuary against enemy attack. It is remembered as an example of innovative coastal defense engineering and as a relic of wartime military strategy.

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