Overnight, German destroyers Galster, Lody and Beitzen sail again from Brest, France, to raid shipping off Cornwall, England. They sink British tug Aid, French tug Abeille and British barge BHC10. Royal Navy destroyers HMS Javelin, Jersey, Jackal, Jupiter and Kashmir engage the German destroyers 20 miles South of The Lizard peninsula, Cornwall. 2 torpedoes from Lody destroy the bow and stern of HMS Javelin (46 killed) which has to be towed back to Devonport for repairs until December 28, 1941. The German destroyers escape back to Brest with only minor damage and no casualties.
Minesweeping trawler HMT Calverton sinks on a mine in the mouth of the Humber Estuary (2 killed), in the same minefield as HMT Manx Prince yesterday.
Italian submarine Delfino attacks Greek destroyer Spetsai without success in the busy sea lanes South or Piraeus near Athens, Greece.
At 10.38 AM, New Zealand cruiser HMNZS Leander shells a factory and wireless station at Banda Alulu, Italian Somaliland (98 6-inch rounds). Italian aircraft unsuccessfully attempt to bomb Leander from high altitude.