USCGC Bittersweet (WLB-389)
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USCGC ''Bittersweet'' (WLB 389) was a ''C'' or ''Iris''-class 180-foot buoy tender of the
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mult ...
. Built by the Zenith Dredge Company of
Duluth, Minnesota , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...
, the ship was laid down on 16 September 1943, and launched on 11 November 1943. Commissioned on 11 May 1944, ''Bittersweet'' was assigned to the 17th Coast Guard District, and sailed for
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
via the
St. Lawrence River The St. Lawrence River (french: Fleuve Saint-Laurent, ) is a large river in the middle latitudes of North America. Its headwaters begin flowing from Lake Ontario in a (roughly) northeasterly direction, into the Gulf of St. Lawrence, connecting ...
, the
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and
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, arriving on 19 November 1944. Based at
Kodiak Kodiak may refer to: Places *Kodiak, Alaska, a city located on Kodiak island * Kodiak, Missouri, an unincorporated community *Kodiak Archipelago, in southern Alaska *Kodiak Island, the largest island of the Kodiak archipelago ** Kodiak Launch Com ...
, her primary mission was the performance of general
aids to navigation Human immunodeficiency virus infection and acquired immunodeficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Following initial infection an individual m ...
(ATON) duties, but she also carried out numerous search and rescue operations, fought fires, delivered medical supplies, and enforced fishing laws. At the end of the war in September 1945, in addition continuing her ATON duties, ''Bittersweet'' was now charged with the performance of law enforcement duties. Kodiak remained the ship's homeport until 30 June 1964 when it changed to Ketchikan. She remained there until mid-1976 when the ship underwent major renovations at the
Coast Guard Yard The United States Coast Guard Yard or just Coast Guard Yard is a United States Coast Guard operated shipyard located on Curtis Bay in northern Anne Arundel County, Maryland, just south of the Baltimore city limits. It is the largest industrial fac ...
at Curtis Bay, Maryland. ''Bittersweet'' was then stationed at Woods Hole, Massachusetts and used for ATON and icebreaking. In addition she took part in oil spill cleanup operations and also participated in the
International Ice Patrol The International Ice Patrol is an organization with the purpose of monitoring the presence of icebergs in the Atlantic and Arctic Oceans and reporting their movements for safety purposes. It is operated by United States Coast Guard but is fund ...
, collecting hydrographic and drift buoy data off the
Grand Banks The Grand Banks of Newfoundland are a series of underwater plateaus south-east of the island of Newfoundland on the North American continental shelf. The Grand Banks are one of the world's richest fishing grounds, supporting Atlantic cod, swordf ...
using a mobile laboratory. ''Bittersweet'' was decommissioned on 18 August 1997, and given to Estonia. Renamed '' Valvas'', the ship served in the Estonian Border Guard until it was decommissioned in July 2014 and given to the
Estonian Maritime Museum The Estonian Maritime Museum ( et, Eesti Meremuuseum) is located in the Fat Margaret tower in the old town of Tallinn. The museum presents the history of ships and navigation in Estonia and related to Estonia. Other parts of the Maritime Museum ...
. It is to become a museum ship.


Design

The Iris-class buoy tenders were constructed after the Mesquite-class buoy tenders. ''Bittersweet'' cost $926,769 to construct and had an overall length of . It had a
beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...
of and a draft of up to at the time of construction, although this was increased to in 1966. It initially had a displacement of ; this was increased to in 1966. It was powered by one electric motor. This was connected up to two Westinghouse generators which were driven by two CooperBessemer GND-8 four-cycle diesel engines. It had a single screw. The Iris-class buoy tenders had maximum sustained speeds of , although this diminished to around in 1966. For economic and effective operation, it had to initially operate at , although this increased to in 1966. The ship had a complement of six officers and seventy-four crew members in 1945; this decreased to two warrants, four officers, and forty-seven men in 1966. It was fitted with a SL1 radar system and QBE-3A sonar system in 1945. Its armament consisted of one
3"/50 caliber gun The 3"/50 caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = ). Different guns (identifi ...
, two 20mm/80 guns, two Mousetraps, two depth charge tracks, and four Y-guns in 1945; these were removed in 1966.


References

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External links

* {{DEFAULTSORT:Bittersweet Iris-class seagoing buoy tenders 1943 ships Historic American Engineering Record in Massachusetts Museum ships in Estonia Ships built in Duluth, Minnesota Ships transferred from the United States Coast Guard to the Estonian Border Guard