Australian troop convoy US 7 departed Fremantle with Polish liner BATORY (14287grt) and British liners ORION (23371grt), STRATHMORE (23428grt), STRATHEDEN (23722grt), escorted by HMAS PERTH. HMAS CANBERRA joined the convoy on the 28th and escorted it until 3 December when she returned to Fremantle.