USCGC Half Moon (WAVP-378), later WHEC-378, was a Casco-class

Casco class cutter

The Casco class was a large class of United States Coast Guard cutters in commission from the late 1940s through the late 1980s. They saw service as weather reporting ships in the Atlantic and Pacific Oceans until the early 1970s, and some saw combat service during the Vietnam War.-Design:Between...

 United States Coast Guard

United States Coast Guard

The United States Coast Guard is a branch of the United States Armed Forces and one of the seven U.S. uniformed services. The Coast Guard is a maritime, military, multi-mission service unique among the military branches for having a maritime law enforcement mission and a federal regulatory agency...

 cutter

United States Coast Guard Cutter

Cutter is the term used by the United States Coast Guard for its commissioned vessels. A Cutter is or greater in length, has a permanently assigned crew, and has accommodations for the crew to live aboard...

 in service from 1948 to 1969.

Construction and U.S. Navy service

Half Moon began life as the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 Barnegat-class seaplane tender

Seaplane tender

A seaplane tender is a ship that provides facilities for operating seaplanes. These ships were the first aircraft carriers and appeared just before the First World War.-History:...

 USS Half Moon (AVP-26)

USS Half Moon (AVP-26)

USS Half Moon was a seaplane tender that served in the United States Navy from 1943 to 1946.-Construction and early deployment:Half Moon was laid down as a small seaplane tender on 10 March 1942 by Lake Washington Shipyards, Houghton, Washington, and was launched as such on 12 July 1942,...

. She was laid down on 10 March 1942 by Lake Washington Shipyard

Lake Washington Shipyard

Lake Washington Shipyards was a shipyard in Houghton, Washington on the shore of Lake Washington. Today the shipyards are the site of the lakeside Carillon Point business park...

 at Houghton

Houghton, Washington

Houghton is one of the lakeside neighborhoods of the city of Kirkland, Washington. Consisting mostly of upscale, single-family homes, Houghton overlooks Lake Washington and is one of the wealthier districts of the Eastside suburbs of Seattle. The village was named for Willard Houghton, a local...

, Washington, launched on 12 July 1942, and commissioned

Ship commissioning

Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 into the U.S. Navy on 15 June 1943. She served in the New Guinea campaign

New Guinea campaign

The New Guinea campaign was one of the major military campaigns of World War II.Before the war, the island of New Guinea was split between:...

 and Philippines campaign

Philippines campaign

Philippines campaign may refer to various military campaigns that have been fought in the Philippine Islands, including:-Spanish colonial period :...

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, and at Okinawa and in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 postwar. She was decommissioned

Ship decommissioning

To decommission a ship is to terminate her career in service in the armed forces of her nation. A somber occasion, it has little of the elaborate ceremony of ship commissioning, but carries significant tradition....

 on 4 September 1946 and placed in reserve.

Transferred to the United States Coast Guard

Barnegat-class ships were very reliable and seaworthy and had good habitability, and the Coast Guard viewed them as ideal for ocean station duty, in which they would perform weather reporting and search and rescue

Search and rescue

Search and rescue is the search for and provision of aid to people who are in distress or imminent danger.The general field of search and rescue includes many specialty sub-fields, mostly based upon terrain considerations...

 tasks, once they were modified by having a balloon

Balloon

A balloon is an inflatable flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from materials such as rubber, latex, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders, such as the pig...

 shelter added aft and having oceanographic

Oceanography

Oceanography , also called oceanology or marine science, is the branch of Earth science that studies the ocean...

 equipment, an oceanographic winch

Winch

A winch is a mechanical device that is used to pull in or let out or otherwise adjust the "tension" of a rope or wire rope . In its simplest form it consists of a spool and attached hand crank. In larger forms, winches stand at the heart of machines as diverse as tow trucks, steam shovels and...

, and a hydrographic

Hydrography

Hydrography is the measurement of the depths, the tides and currents of a body of water and establishment of the sea, river or lake bed topography and morphology. Normally and historically for the purpose of charting a body of water for the safe navigation of shipping...

 winch installed.

The U.S. Navy loaned Half Moon to the United States Coast Guard

United States Coast Guard

The United States Coast Guard is a branch of the United States Armed Forces and one of the seven U.S. uniformed services. The Coast Guard is a maritime, military, multi-mission service unique among the military branches for having a maritime law enforcement mission and a federal regulatory agency...

 on 30 July 1948. After undergoing conversion for Coast Guard use, she was commissioned into the Coast Guard on 14 September 1948 as USCGC Half Moon (WAVP-378).

Atlantic operations 1948-1967

Half Moon was stationed at Staten Island

Staten Island

Staten Island is a borough of New York City, New York, United States, located in the southwest part of the city. Staten Island is separated from New Jersey by the Arthur Kill and the Kill Van Kull, and from the rest of New York by New York Bay...

 and Governors Island

Governors Island

Governors Island is a island in Upper New York Bay, approximately one-half mile from the southern tip of Manhattan Island and separated from Brooklyn by Buttermilk Channel. It is legally part of the borough of Manhattan in New York City...

 in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 throughout her Coast Guard career. Her primary duty was to serve on ocean stations in the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 to gather meteorological

Meteorology

Meteorology is the interdisciplinary scientific study of the atmosphere. Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw breakthroughs occur after observing networks developed across several countries...

 data. While on duty in one of these stations, she was required to patrol a 210-square-mile (544-square-kilometer) area for three weeks at a time, leaving the area only when physically relieved by another Coast Guard cutter or in the case of a dire emergency. While on station, she acted as an aircraft check point at the point of no return

Point of no return

The point of no return is the point beyond which one must continue on his or her current course of action because turning back is physically impossible, prohibitively expensive or dangerous. It is also used when the distance or effort required to get back would be greater than the remainder of the...

, a relay point for messages from ships and aircraft, as a source of the latest weather information for passing aircraft, as a floating oceanographic laboratory, and as a search-and-rescue ship for downed aircraft and vessels in distress, and engaged in law enforcement

Law enforcement agency

In North American English, a law enforcement agency is a government agency responsible for the enforcement of the laws.Outside North America, such organizations are called police services. In North America, some of these services are called police while others have other names In North American...

 operations.

On 24 August 1951 and 25 August 1951, Half Moon assisted the merchant ship Castello Guadalest in the Atlantic at Latitude

Latitude

In geography, the latitude of a location on the Earth is the angular distance of that location south or north of the Equator. The latitude is an angle, and is usually measured in degrees . The equator has a latitude of 0°, the North pole has a latitude of 90° north , and the South pole has a...

 39°30’ North, Longitude

Longitude

Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees, minutes and seconds, and denoted by the Greek letter lambda ....

 58°32’ West.

While in Bermuda

Bermuda

Bermuda is a British overseas territory in the North Atlantic Ocean. Located off the east coast of the United States, its nearest landmass is Cape Hatteras, North Carolina, about to the west-northwest. It is about south of Halifax, Nova Scotia, Canada, and northeast of Miami, Florida...

 on a United States Coast Guard Reserve

United States Coast Guard Reserve

The United States Coast Guard Reserve is the reserve component of the United States Coast Guard. It is organized, trained, administered, and supplied under the direction of the Commandant of the Coast Guard through the Director of Reserve and Leadership....

 training cruise, Half Moon helped civil authorities in Bermuda

Bermuda

Bermuda is a British overseas territory in the North Atlantic Ocean. Located off the east coast of the United States, its nearest landmass is Cape Hatteras, North Carolina, about to the west-northwest. It is about south of Halifax, Nova Scotia, Canada, and northeast of Miami, Florida...

 fight a fire aboard the merchant ship Coastal Service at Ordnance Wharf, St. Georges, Bermuda, on 14 August 1963.

Half Moon was reclassified as a high endurance cutter

High endurance cutter

The designation of High endurance cutter was created in 1965 when the United States Coast Guard adopted its own designation system. High endurance cutters encompassed its largest cutters previously designated by the United States Navy as Coast Guard gunboats , Coast Guard destroyer escorts , and...

 and redesignated WHEC-378 on 1 May 1966. Her loan period from the U.S. Navy came to an end on 26 September 1966, when she was transferred permanently from the Navy to the Coast Guard.

On 11 January 1967, Half Moon seized four American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 fishing vessel

Fishing vessel

A fishing vessel is a boat or ship used to catch fish in the sea, or on a lake or river. Many different kinds of vessels are used in commercial, artisanal and recreational fishing....

s seven nautical miles (13 kilometers) northwest of Dog Rocks following a shooting incident in which one person was killed and another wounded.

Vietnam War service 1967

Half Moon sailed from New York Harbor

New York Harbor

New York Harbor refers to the waterways of the estuary near the mouth of the Hudson River that empty into New York Bay. It is one of the largest natural harbors in the world. Although the U.S. Board of Geographic Names does not use the term, New York Harbor has important historical, governmental,...

 on 1 April 1967 under the command of Commander

Commander

Commander is a naval rank which is also sometimes used as a military title depending on the individual customs of a given military service. Commander is also used as a rank or title in some organizations outside of the armed forces, particularly in police and law enforcement.-Commander as a naval...

 Emmett G. McCarthy, bound for Pearl Harbor

Pearl Harbor

Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

, Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, and an assignment to Coast Guard Squadron Three. The squadron, which was designated Task Unit 70.8.6, was activated at Pearl Harbor

Pearl Harbor

Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

, Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, on 24 April 1967 when its commander, Captain

Captain (naval)

Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The NATO rank code is OF-5, equivalent to an army full colonel....

 John E. Day, hoisted his pennant

Pennant (commissioning)

The commissioning pennant is a pennant flown from the masthead of a warship. The history of flying a commissioning pennant dates back to the days of chivalry with their trail pendants being flown from the mastheads of ships they commanded...

 aboard his flagship

Flagship

A flagship is a vessel used by the commanding officer of a group of naval ships, reflecting the custom of its commander, characteristically a flag officer, flying a distinguishing flag...

, Coast Guard cutter

United States Coast Guard Cutter

Cutter is the term used by the United States Coast Guard for its commissioned vessels. A Cutter is or greater in length, has a permanently assigned crew, and has accommodations for the crew to live aboard...

 USCGC Gresham (WHEC-387)

USCGC Gresham (WAVP-387)

USCGC Gresham , later WHEC-387, later WAGW-387, was a Casco-class United States Coast Guard Cutter in service from 1947 to 1973.-Construction and U.S. Navy service:...

.

Coast Guard Squadron Three was tasked to operate in the South China Sea

South China Sea

The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 in conjunction with U.S. Navy forces in Operation Market Time

Operation Market Time

Operation Market Time was the United States Navy’s effort to stop troops and supplies from flowing by sea from North Vietnam to South Vietnam during the Vietnam War...

, the interdiction of communist

Communism

Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

 coastal arms and munitions traffic along the coastline of Vietnam

Vietnam

Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 during the Vietnam War

Vietnam War

The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

. The squadrons other Vietnam War duties included fire support for ground forces, resupplying Coast Guard and Navy patrol boat

Patrol boat

A patrol boat is a relatively small naval vessel generally designed for coastal defense duties.There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, or police force, and may be intended for marine and/or estuarine or river environments...

s, and search-and-rescue operations. Serving in the squadron with Gresham and Half Moon were cutters USCGC Yakutat (WHEC-380)

USCGC Yakutat (WAVP-380)

USCGC Yakutat , later WHEC-380, was a Casco-class United States Coast Guard cutter in service from 1948 to 1971.-Construction and U.S. Navy service:...

, USCGC Barataria (WHEC-381)

USCGC Barataria (WAVP-381)

USCGC Barataria , later WHEC-381, was a Casco-class United States Coast Guard cutter in service from 1949 to 1969.-Construction and U.S. Navy service:...

, and USCGC Bering Strait (WHEC-372)

USCGC Bering Strait (WAVP-382)

USCGC Bering Strait , later WHEC-382, was a Casco-class United States Coast Guard cutter in service from 1948 to 1971.-Construction and U.S. Navy service:...

; like Half Moon and Gresham, they all were former Navy Barnegat-class ships. They departed Pearl Harbor on 26 April 1967 and reported to Commander, United States Seventh Fleet

United States Seventh Fleet

The Seventh Fleet is the United States Navy's permanent forward projection force based in Yokosuka, Japan, with units positioned near Japan and South Korea. It is a component fleet force under the United States Pacific Fleet. At present, it is the largest of the forward-deployed U.S. fleets, with...

, for Market Time duty on 4 May 1967. They were joined by Navy radar picket

Radar picket

A radar picket is a radar-equipped ship, submarine, aircraft, or vehicle used to increase the radar detection range around a force to protect it from surprise attack. Often several detached radar units encircle a force to provide increased cover in all directions.-World War II:Radar picket ships...

 destroyer escort

Destroyer escort

A destroyer escort is the classification for a smaller, lightly armed warship designed to be used to escort convoys of merchant marine ships, primarily of the United States Merchant Marine in World War II. It is employed primarily for anti-submarine warfare, but also provides some protection...

s (DERs) of Escort Squadrons 5 and 7.

The ten Market Time ships arrived at Subic Bay

Subic Bay

Subic Bay is a bay forming part of Luzon Sea on the west coast of the island of Luzon in Zambales, Philippines, about 100 kilometers northwest of Manila Bay. Its shores were formerly the site of a major United States Navy facility named U.S...

 in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 on 10 May 1967. The five Coast Guard cutters and five Navy destroyer escorts continuously manned four Market Time stations off Vietnam, while only Navy warships served on two Taiwan

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 patrol stations. One ship rotated duty as the station ship in Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

.

During her tour, Half Moon conducted nine naval gunfire missions in support of forces ashore. On 12 September 1967 she was ordered to fire on an enemy build-up in An Xugen Province; her gunfire killed at least one enemy soldier

Soldier

A soldier is a member of the land component of national armed forces; whereas a soldier hired for service in a foreign army would be termed a mercenary...

 and destroyed three Viet Cong fortification

Fortification

Fortifications are military constructions and buildings designed for defence in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs...

s on that occasion. During her tour, she was credited with killing at least 13 Viet Cong soldiers, destroyed 64 military emplacements and structures, and sinking four sampan

Sampan

A sampan is a relatively flat bottomed Chinese wooden boat from long. Some sampans include a small shelter on board, and may be used as a permanent habitation on inland waters. Sampans are generally used for transportation in coastal areas or rivers, and are often used as traditional fishing boats...

s.

Half Moon also served as a home base for 50-foot (15.25 m) U.S. Navy fast patrol craft

Fast Patrol Craft

Patrol Craft Fast , also known as Swift Boats, were all-aluminum, long, shallow-draft vessels operated by the U.S. Navy, initially to patrol the coastal areas and later for work in the interior waterways as part of the Brown Water Navy to interdict Vietcong movement of arms and munitions,...

 (or "Swift boats") and participated in search and rescue operations.

Half Moon concluded her Vietnam War tour on 29 December 1967.

Atlantic operations 1968-1969

Half Moon returned from Vietnam to her home port

Home port

A vessel's home port is the port at which it is based, which may not be the same as its port of registry shown on its registration documents and lettered on the stern of the ship's hull...

 at New York City on 22 January 1968 and resumed her rotuine Coast Guard operations in the Atlantic. On 11 July 1968 she helped to evacuate an injured crewman from the West German

West Germany

West Germany is the common English, but not official, name for the Federal Republic of Germany or FRG in the period between its creation in May 1949 to German reunification on 3 October 1990....

 merchant ship Brunsdeich.

Decommissioning and disposal

The Coast Guard decommissioned Half Moon on 15 July 1969. She was sold for scrapping on 29 April 1970 to Cantieri Navali, Genoa

Genoa

Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, for a bid price of $66,000 (USD).