List of ship decommissionings in 1921 explained

The list of ship commissionings in 1921 includes a chronological list of ships commissioned in 1921. In cases where no official commissioning ceremony was held, the date of service entry may be used instead.

Date	Operator	Ship	Pennant	Class and type	Notes
May 9				Modified destroyer	Scrapped
July 17		A-3	SS-4		at Cavite Navy Yard, Philippines, disposed of as a target ship and stricken in 1922 ^[1]
July 25		A-5	SS-6		at Cavite Navy Yard, Philippines, disposed of as a target ship and stricken in 1922 ^[2]
October 6			SP-418	Patrol vessel	Tender and houseboat 1924-1933; Sold 1933
November 15				Modified destroyer	Scrapped
December 1				Seaplane tender and training ship	date stricken; later scrapped
December 12					Scuttled in 1924
unknown date			SP-680	Patrol vessel/minesweeper	Sold

Notes and References

1. Web site: A-3 (Submarine Torpedo Boat No. 4) . Dictionary of American Naval Fighting Ships . Naval History and Heritage Command . 3 June 2019 . 31 August 2016 . A-3 was assigned to the First Submarine Division, Torpedo Flotilla, Asiatic Fleet, and remained in active service with that unit until decommissioned at Cavite on 25 July 1921. During World War I, A-3 patrolled the waters off the entrance to Manila Bay. On 17 July 1920, she was given the identification number SS-4. Dismantled and used as a target by ships of the Asiatic Fleet, A-3 was stricken from the Naval Vessel Register on 16 January 1922..
2. Web site: A-5 (Submarine Torpedo Boat No. 6) . Dictionary of American Naval Fighting Ships . Naval History and Heritage Command . 6 June 2019 . 31 August 2016 . A-5, given the identification number SS-6 on 17 July 1920, was decommissioned on 25 July 1921. Earmarked as a target vessel, the submarine torpedo boat was stricken from the Naval Vessel Register on 16 January 1922..