USS Dohema Jr. (SP-612) was a United States Navy patrol vessel in commission from 1917 to 1918.

USS Dohema Jr. (SP-612) off Philadelphia, Pennsylvania, during World War I. In the right background is the Swedish commercial cargo ship Hermes with World War I neutrality markings painted on her side.
History
United States
NameUSS Dohema Jr.
NamesakePrevious name retained
BuilderEdwin Binney, Sound Beach, Connecticut
Completed1912
Acquired1917
Commissioned2 June 1917
Decommissioned27 November 1918
FateReturned to owner 27 November 1918
NotesOperated as private motorboat Dohema Jr. 1912-1917 and from 1918
General characteristics
TypePatrol vessel
Length57 ft (17 m)
Beam12 ft (3.7 m)
Draft4 ft 2 in (1.27 m)
Speed11 knots
Complement11
Armament1 × 1-pounder gun
Dohema Jr. as a private motorboat sometime between 1912 and 1917.

Dohema Jr. was built as a private motorboat of the same name by her owner, Edwin Binney of Sound Beach, Connecticut, in 1912. In 1917, the U.S. Navy acquired her under a free lease from Binney for use as a section patrol boat during World War I. She was commissioned as USS Dohema Jr. (SP-612) on 2 June 1917.

Assigned to the 4th Naval District, Dohema Jr. performed patrol duty in the Delaware River and Delaware Bay and transported Navy personnel within the naval district for the rest of World War I.

Dohema Jr. was decommissioned on 27 November 1918 and returned to Binney the same day.

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