The list of ship commissionings in 1940 is a chronological list of ships commissioned in 1940. In cases where no official commissioning ceremony was held, the date of service entry may be used instead. __NOTOC__ DateOperatorShipClass and typeNotesRef 18 January 1 February Submarine rescue ship Previously in commission 1921–1939 1 March weather ship ex-fishing trawler Gustav Adolf Kühling 6 March oiler unknown date  United States Coast and Geodetic Survey survey ship entered service in spring 1940 1 April 6 April 20 April 23 April Naval trawler ex-Malangen, captured from Germany 25 April aircraft carrier 28 May 13 June Tiger torpedo boat ex-Norwegian Tor 15 June 17 June recommissioned from reserve 27 June 8 July weather ship converted sealer 24 July 1 August 7 August 20 August 21 August 22 August completion date 4 September 9 September ex-USS Aaron Ward, commissioned at Halifax upon transfer from the United States Navy under the command of Cmdr. Frank H. E. Skyrme 9 September ex-USS Abel P. Upshur, commissioned at Halifax upon transfer from the United States Navy 18 September 23 September ex-USS Abbot transferred as part of the destroyers-for-bases deal 24 September 2 October 16 October 23 October Ex- 23 October Ex- 23 October Ex- 30 October oiler (1939) ex-merchant tanker Seakay 30 October 4 November oiler ex-Esso Trenton 13 November 26 November Ex- 27 November 5 December Ex- 5 December Ex- 5 December Ex- 11 December 11 December unknown date seaplane tender converted merchant unknown date weather ship ex-

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See also