'Waves' of aircraft attack Dover

25th July 1940: The Luftwaffe step up their attacks on coastal convoys passing through the Dover Straits, and make probing attacks elsewhere

Junkers Ju-87B Stuka dive bombers.

In 1940, Britain was heavily reliant on coal for generating electricity. Most coal was transported by coastal shipping, travelling down both the east and west coasts from Scotland and the north of England to ports on the south coast, the Thames Estuary and London. The Royal Navy had now organised the colliers into convo…