The Grimsby type escort sloop HMAS WARREGO, (CMDR R. V. Wheatley), was commissioned. WARREGO was laid down in Cockatoo Island Dockyard, Sydney, on 15 May 1939, and launched on 10 February 1940. Mrs R. G. Menzies, (Wife of the Prime Minister, Mr R. G. Menzies), performed the launching ceremony.