
Grange Redoubt, also known as one of the two Twydall Redoubts, was constructed in 1885.
It was not included in the original list of defensive structures proposed by the
Royal Commission on the Defence of the United Kingdom
The Royal Commission on the Defence of the United Kingdom was a committee formed in 1859 to enquire into the ability of the United Kingdom to defend itself against an attempted invasion by a foreign power, and to advise the British Government on ...
in 1860, but was conceived later and implemented as an experimental redoubt as opposed to a more substantial fort.
Grange and
Woodlands Redoubts defended
Chatham Dockyard
Chatham Dockyard was a Royal Navy Dockyard located on the River Medway in Kent. Established in Chatham in the mid-16th century, the dockyard subsequently expanded into neighbouring Gillingham (at its most extensive, in the early 20th centur ...
against landward attack from the east.
References
Redoubts
Forts in Medway
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