List of ship commissionings in 1940

The list of ship commissionings in 1940 includes 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.

Date	Operator	Ship	Class and type	Notes	Ref
18 January	Kriegsmarine	*U-63*	Type IIC submarine		^{[citation needed]}
1 March	Kriegsmarine	*Adolf Vinnen*	weather ship	ex-fishing trawler Gustav Adolf Kühling	^{[citation needed]}
6 March	United States Navy	*Tippecanoe*	Patoka-class oiler		^{[citation needed]}
unknown date	United States Coast and Geodetic Survey	*Explorer*	survey ship	entered service in spring 1940	^{[citation needed]}
1 April	French Navy	*Richelieu*	Richelieu-class battleship
6 April	Royal Navy	*Gladiolus*	Flower-class corvette		^{[citation needed]}
20 April	Kriegsmarine	*U-120*	Type IIB submarine		^{[citation needed]}
23 April	Royal Norwegian Navy	*Honningsvåg*	Naval trawler	ex-Malangen, captured from Germany	^{[citation needed]}
25 April	United States Navy	*Wasp*	aircraft carrier		^{[citation needed]}
28 May	Kriegsmarine	*U-121*	Type IIB submarine		^{[citation needed]}
13 June	Kriegsmarine	*Tiger*	torpedo boat	ex-Norwegian Sleipner-class destroyer Tor	^{[citation needed]}
15 June	Kriegsmarine	*U-137*	Type IID submarine		^{[citation needed]}
17 June	United States Navy	*Abbot*	Wickes-class destroyer	recommissioned from reserve	^[1]
27 June	Kriegsmarine	*U-138*	Type IID submarine		^{[citation needed]}
8 July	Kriegsmarine	*Hessen*	weather ship	converted sealer	^{[citation needed]}
24 July	Kriegsmarine	*U-139*	Type IID submarine		^{[citation needed]}
1 August	Kriegsmarine	*Prinz Eugen*	Admiral Hipper-class cruiser		^{[citation needed]}
7 August	Kriegsmarine	*U-140*	Type IID submarine		^{[citation needed]}
20 August	Kriegsmarine	*Bismarck*	Bismarck-class battleship		^{[citation needed]}
21 August	Kriegsmarine	*U-141*	Type IID submarine		^{[citation needed]}
22 August	Kriegsmarine	*Karl Meyer*	Karl Meyer-class seaplane tender	completion date	^{[citation needed]}
4 September	Kriegsmarine	*U-142*	Type IID submarine		^{[citation needed]}
9 September	Royal Navy	*Castleton*	Town-class destroyer	ex-USS Aaron Ward, commissioned at Halifax upon transfer from the United States Navy under the command of Cmdr. Frank H. E. Skyrme	^[2]
9 September	Royal Navy	*Clare*	Town-class destroyer	ex-USS Abel P. Upshur, commissioned at Halifax upon transfer from the United States Navy	^[3]
18 September	Kriegsmarine	*U-143*	Type IID submarine		^{[citation needed]}
23 September	Royal Navy	*Charlestown*	Town-class destroyer	ex-USS Abbot transferred as part of the destroyers-for-bases deal	^[1]
24 September	Royal Canadian Navy	*St. Clair*	Town-class destroyer		^{[citation needed]}
2 October	Kriegsmarine	*U-144*	Type IID submarine		^{[citation needed]}
16 October	Kriegsmarine	*U-145*	Type IID submarine		^{[citation needed]}
23 October	Royal Navy	*Lancaster*	Town-class destroyer	Ex-USS Philip	^{[citation needed]}
23 October	Royal Navy	*Mansfield*	Town-class destroyer	Ex-USS Evans	^{[citation needed]}
23 October	Royal Navy	*Montgomery*	Town-class destroyer	Ex-USS Wickes	^{[citation needed]}
30 October	United States Navy	*Santee*	Cimarron-class oiler (1939)	ex-merchant tanker Seakay	^{[citation needed]}
30 October	Kriegsmarine	*U-146*	Type IID submarine		^{[citation needed]}
4 November	United States Navy	*Sangamon*	Cimarron-class oiler	ex-Esso Trenton	^{[citation needed]}
13 November	Kriegsmarine	*U-149*	Type IID submarine		^{[citation needed]}
26 November	Royal Navy	*Newark*	Town-class destroyer	Ex-USS Ringgold	^{[citation needed]}
27 November	Kriegsmarine	*U-150*	Type IID submarine		^{[citation needed]}
5 December	Royal Navy	*Newmarket*	Town-class destroyer	Ex-USS Robinson	^{[citation needed]}
5 December	Royal Navy	*Newport*	Town-class destroyer	Ex-USS Sigourney	^{[citation needed]}
5 December	Royal Navy	*Richmond*	Town-class destroyer	Ex-USS Fairfax	^{[citation needed]}
11 December	Kriegsmarine	*U-147*	Type IID submarine		^{[citation needed]}
11 December	Royal Navy	*King George V*	King George V-class battleship		^{[citation needed]}
unknown date	Kriegsmarine	*Schwabenland*	seaplane tender	converted merchant	^{[citation needed]}
unknown date	Kriegsmarine	*August Wriedt*	weather ship	ex-FV August Wriedt	^{[citation needed]}

References

^ ^a ^b Parsons, Luann (9 April 1981). "Abbot I (Destroyer No. 184)". Dictionary of American Naval Fighting Ships. Naval History and Heritage Command. Retrieved 19 August 2019. Abbot was recommissioned on 17 June 1940
^ "Aaron Ward I (Destroyer No. 132)". Dictionary of American Naval Fighting Ships. Naval History and Heritage Command. 1 September 2016. Retrieved 13 June 2019. On 9 September 1940, Aaron Ward was decommissioned at Halifax, Nova Scotia. Transferred to Great Britain as one of the overage destroyers traded to that nation in return for the right to establish American bases on British possessions in the western hemisphere, she was commissioned in the Royal Navy that same day as HMS Castleton, 44-year old Cmdr. Frank H. E. Skyrme, RN (Ret.), in command.
^ "Abel P. Upshur (Destroyer No. 193)". Dictionary of American Naval Fighting Ships. Naval History and Heritage Command. 23 February 2016. Retrieved 11 September 2019. British on 9 September 1940. She was assigned to the 1st "Town-class" Flotilla