Pacific Reserve Fleet, San Diego was a part of the United States Navy reserve fleets, also called a mothball fleet, used to store surplus ships after World War II.

The reserve fleet stored post World War I ships, some that were reactivated for World War II.

[2][3][4][5] The USS Galveston (CL-93), a Cleveland-class cruiser, was the last ship to depart Pacific Reserve Fleet, San Diego.

At the closing, only the Galveston and 11 other ships were remaining at the fleet.

Pacific Reserve Fleet, San Diego closed in June 1975.