USS ''YP-45'' was a wooden-hulled patrol vessel in commission in the fleet of the

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...

as ''CG-133'' from 1925 to 1934, and in the fleet of the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

as ''YP-45'' from 1934 until 1945.

History

She was laid down at the Fall River,

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

shipyard of the

Crowninshield Shipbuilding Company Bowdoin Bradlee Crowninshield (October 13, 1867 – August 12, 1948) was an American naval architect who specialized in the design of racing yachts. Early life Crowninshield was born on October 13, 1867, in New York City. He grew up in Marblehea ...

, one of 203 " Six-Bitters" ordered by the

. She was designed for long-range picket and patrol duty during

Prohibition Prohibition is the act or practice of forbidding something by law; more particularly the term refers to the banning of the manufacture, storage (whether in barrels or in bottles), transportation, sale, possession, and consumption of alcoholic b ...

for postings 20 to 30 miles from shore. The date of her launching and completion is uncertain although the class design was finalized in April 1924 and all of the Six-Bitters were commissioned by 1925. She was commissioned in 1925 as ''CG-133''. In 1934, she was transferred to the

and designated as a

Yard Patrol Craft Yard Patrol craft are used by the United States Navy for training and for research purposes. They are designated as YP in the hull classification symbol system. They were nicknamed "Yippy boats" after the "YP" classification symbol. World War I ...

(YP). In 1946, she was sold to the

War Shipping Administration The War Shipping Administration (WSA) was a World War II emergency war agency of the US government, tasked to purchase and operate the civilian shipping tonnage the United States needed for fighting the war. Both shipbuilding under the Maritime C ...

References

{{DEFAULTSORT:YP-45 1925 ships Ships built in Fall River, Massachusetts Ships of the United States Navy Ships of the United States Coast Guard Yard patrol boats of the United States Navy