USS Doris B. IV (SP-625) sometime between 1917 and 1919, probably at the Boston Navy Yard in Boston, Massachusetts, with the masts of USS Constitution in the right background.
History
United States
Name	USS Doris B. IV
Namesake	Previous name retained
Builder	Britt Brothers, Lynn, Massachusetts
Completed	1917
Acquired	April 1917
Commissioned	12 May 1917
Decommissioned	31 January 1919
Fate	Transferred to U.S. Department of the Treasury 21 November 1919
Notes	Operated as private motorboat Doris B. IV in 1917
General characteristics
Type	Patrol vessel
Length	67 ft (20 m)
Beam	13 ft 4 in (4.06 m)
Draft	5 ft (1.5 m)
Speed	17 knots
Complement	10
Armament	1 × 1-pounder gun

USS Doris B. IV (SP-625) was a United States Navy patrol vessel in commission from 1917 to 1919.

Background

Doris B. IV was built as a private motorboat of the same name by Britt Brothers at Lynn, Massachusetts, in 1917. In April 1917, the U.S. Navy acquired her for use as a section patrol boat during World War I. She was commissioned as USS Doris B. IV (SP-625) on 12 May 1917.

Assigned to the 1st Naval District in northern New England, Doris B. IV performed patrol duty for the rest of World War I.

Doris B. IV was decommissioned at Boston, Massachusetts, on 31 January 1919 and transferred to the United States Department of the Treasury on 21 November 1919.

References

• This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.
• Department of the Navy Naval History and Heritage Command Online Library of Selected Images: U.S. Navy Ships: USS Doris B. IV (SP-625), 1917-1919.
• NavSource Online: Section Patrol Craft Photo Archive Doris B. IV (SP 625)