USS Frances II (SP-503), was a motorboat in United States Navy service from 1917 to 1918.

History
United States
NameUSS Frances II
NamesakePrevious name retained
Acquired1917
Stricken1918
General characteristics
TypeMotorboat
Tonnage16 gross register tons

Frances II was assigned to the 4th Naval District for World War I service, where she served in a non-commissioned status from 1917 to 1918.

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