List of ship commissionings in 1920 explained

The list of ship commissionings in 1920 includes a chronological list of ships commissioned in 1920. 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
31 January					^[1]
February (unknown date)			oiler
15 May
3 June
9 July
21 August
4 September			oiler
15 September
23 November					^[2]
7 December

Notes and References

1. Web site: AA-1 (Submarine No. 52) . Dictionary of American Naval Fighting Ships . Naval History and Heritage Command . 12 June 2019 . 31 August 2016 .
2. Web site: Abel P. Upshur (Destroyer No. 193) . Dictionary of American Naval Fighting Ships . Naval History and Heritage Command . 11 September 2019 . 23 February 2016 .