HMA Ships SWAN, (sloop), and BANTAM, (transport), landed troop reinforcements on Ambon Island.
HMAS NIZAM, (destroyer), was straddled twice by 15 inch shells from Italian battleships during the Battle of Sirte. This was the last occasion a ship of the RAN was engaged by an enemy battleship.
The Bathurst class minesweeper, (corvette), HMAS KATOOMBA, (CMDR A. P. Cousins, RANR), was commissioned. KATOOMBA was laid down in Poole & Steel Ltd, Sydney, on 9 September 1940, and launched on 16 April 1941.