Cliffe Fort saw about 60 years of usage as an artillery fort, from its completion in 1870 to its disarmament in 1927. It was repurposed during World War II to serve as an anti-aircraft battery on the approaches to London.
Cliffe Fort operated for about 60 years as a defensive stronghold, from its inception in 1870 to its decommissioning in 1927. It was reconfigured during World War II to serve as a defensive position against aerial threats on the path to London.