Ahead of landings at Libreville, Free French troops on cargo ships Fort Lamy, Casamance and Nevada arrive off the coast of Gabon, escorted by British cruisers HMS Devonshire and HMS Delhi and sloop HMS Milford. 50 miles Southwest of Libreville, Vichy French submarine Poncelet fires a torpedo which fails to explode at HMS Milford. Poncelet is forced to the surface by depth charges from HMS Milford and bombed by 2 Supermarine Walrus biplanes from HMS Devonshire. As the crew of 60 is taken off by the British ships, Poncelet is scuttled by her captain Commander de Saussine who chooses to go down with his ship.
British minesweeping trawler HMT William Wesney hits a mine and sinks in the North Sea, 13 miles East of Harwich (5 crew killed, 7 survivors rescued by sloop HMS Sheldrake and 2 trawlers). Free French minesweeping trawler Poulmic sinks on a mine near Plymouth (11 crew killed, 7 survivors). British submarine HMS Swordfish leaves Portsmouth to patrol off Brest. As she performs a trim dive, she hits a mine and is blown in half, sinking immediately in the English Channel, 7 miles South of the Isle of Wight (all 39 hands lost). http://www.divernet.com/Wrecks/159214/a_wrecks_diver_dream_of_heaven.html
7 German torpedo boats depart Trondheim to attack an Allied convoy off Kinnaird Head, Northern Scotland. T.6 sinks in a British minefield 40 miles from the target (T.7 and T.8 rescue the survivors). The remaining torpedo boats return to Trondheim
The war comes to Australia. 6 miles off Wilson's Promontory, South Australia, British steamer Cambridge (sailing from Melbourne to Sydney) sinks on a mine laid by German auxiliary minelayer Passat. 1 crewman is killed and 57 survivors are rescued by Australian auxiliary minesweeper Orara. http://www.divetime.com/divesites/Oceania_and_Pacific/Australia/Victoria/Wilsons_Promontory/SS_Cambridge_66525.html