Maunsell Forts

The Maunsell sea forts were built as anti-aircraft platforms in the Thames estuary during 1941 -2. Each set of platforms comprises a fort, this is a single fort, and they were placed to deter enemy aircraft using the river as a navigation aid on the way to London.

This shot is, once again, from Leysdown on the Isle of Sheppey. This link goes to a map. On the right, just visible, is a wind turbine - part of the largest offshore wind farm in the world.