The SC convoys were a series of North Atlantic convoys that ran during the battle of the Atlantic during World War II. They were east-bound slow convoys originating in Sydney, Nova Scotia, Canada (designated as Sydney, Cape Breton by the Allied navies to avoid confusion with Sydney, New South Wales); from there they sailed to ports in the UK, mainly Liverpool. The Royal Canadian Navy base responsible for the Sydney operations was HMCS Protector. The first convoy, SC-1, departed Sydney Harbour on 15 August 1940. Some notable SC convoy battles were: