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| History | |
|---|---|
 United States | |
| Name | USS Half Moon (AVP-26) |
| Namesake | Half Moon Bay, on the coast of California south of San Francisco |
| Builder | Lake Washington Shipyard, Houghton, Washington |
| Laid down | 10 March 1942 |
| Launched | 12 July 1942 |
| Sponsored by | Mrs. T. A. Gray |
| Reclassified | From seaplane tender, AVP-26, to motor torpedo boat tender, AGP-6, in March 1943, then back to seaplane tender, AVP-26, on 1 May 1943 |
| Commissioned | 15 June 1943 |
| Decommissioned | 4 September 1946 |
| Reclassified | From seaplane tender, AVP-26, to motor torpedo boat tender, AGP-6, in March 1943, then back to seaplane tender, AVP-26, on 1 May 1943 |
| Honors and awards | Two battle stars for her World War II service |
| Fate |
|
 United States | |
| Name | USCGC Half Moon (WAVP-378) |
| Namesake | Previous name retained |
| Acquired |
|
| Commissioned | 14 September 1948 |
| Reclassified | High endurance cutter, WHEC-378, 1 May 1966 |
| Decommissioned | 15 July 1969 |
| Honors and awards | See note[note 1] |
| Fate | Sold for scrapping 29 April 1970 |
| General characteristics (seaplane tender) | |
| Class and type | Barnegat-class seaplane tender, converted during construction from a motor torpedo boat tender |
| Displacement |
|
| Length | 310 ft 9 in (94.72 m) |
| Beam | 41 ft 2 in (12.55 m) |
| Draft | 13 ft 6 in (4.11 m) |
| Installed power | 6,000 horsepower (4.48 megawatts) |
| Propulsion | Diesel engines, two shafts |
| Speed | 18 knots (33 km/h)s |
| Complement |
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| Sensors and processing systems | Radar; sonar |
| Armament |
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| Aviation facilities | Supplies, spare parts, repairs, and berthing for one seaplane squadron; 80,000 US gallons (300,000 L) aviation fuel |
| General characteristics (Coast Guard cutter) | |
| Class and type | Casco-class cutter |
| Displacement | 2,498 tons (full load) in 1967 |
| Length | 310 ft 9.5 in (94.729 m) overall; 300 ft 0 in (91.44 m) between perpendiculars |
| Beam | 41 ft 0 in (12.50 m) maximum |
| Draft | 12 ft 4 in (3.76 m) full load aft in 1967 |
| Installed power | 6,400 bhp (4,800 kW) |
| Propulsion | Fairbanks-Morse geared diesel engines, (2.677:1), Model 38RD8-1/8 O.P.; two shafts; 171,851 US gallons (650,530 L) of fuel |
| Speed |
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| Range |
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| Complement | 151 (10 officers, 3 warrant officers, 138 enlisted personnel) in 1966 |
| Sensors and processing systems | |
| Armament |
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USS Half Moon (AVP-26) was a seaplane tender that in commission in the United States Navy from 1943 to 1946 that saw service in the latter half of World War II. After the war, she was in commission in the United States Coast Guard as the cutter USCGC Half Moon (WAVP-378), later WHEC-378, from 1948 to 1969, seeing service in the Vietnam War during her Coast Guard career.
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The Half Moon Replica
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D-Day: USS Texas and Omaha Beach
Transcription
We're standing next to a replica of the Half Moon, the very ship that sailed up this river 400 years ago with Henry Hudson and his crew. We're going to be speaking with the captain of the replica, Chip Reynolds. Let's see what he has inside. Give us an outlay real quick about the dimensions of the ship. How big is it from front to back, how wide is it, how tall are the masts? Well you're looking at a vessel that's just over 100 tons in modern terms and the extreme length from the sprit to the transom is about 100 feet. The mast height goes up to about 87 feet. The hull length itself is right around 85 and the keel length is something more like 65 feet. The breath of the ship is about 18 feet. So it's a very commodious vessel but as you look around it you begin to see that the greatest volume is in the hole, that is the lowest level below the ship. What makes sense this is a commercial vessel. It's job is trade so they need that hole space to carry the commodities that they're trading for. On Hudson's voyage it was not so much trade, although they did engage in some minor trade just to see wether the opportunity for trade existed here. But in addition to the commodities they're bringing back, the spices and such like that, they also needed to have capacity for all their spare gear, fuel, the beer, the water, the meat, and the fish they were carrying as well as spare wood, ship's boat that might have been prefabricated and the pieces assembled down below deck. Everything had to be backed up on here. The Half Moon had no blueprints. How is it possible that we are able to recreate a ship 400 years after the fact with no blueprints? Well in the 17th century, shipwrights did not build to blueprints, they built to rule of thumb. So they established the cargo carrying capacity of the vessel and from that all the other measures were very standard and they were proportional to both the tonnage and the keel length of the vessel. So we have the original contract of the vessel that specifies its tonnage in Dutch measure called 'last' and from that we can project what the size of the vessel would have been. Furthermore there is extensive documentation about this particular style of vessel, the Dutch Yacht. These vessels were well documented in artwork of the time and also in the narrative record that gives us the items that were aboard the ship, the navigational instruments used, the accommodations that were found on here. So the entire rig you see here, the shape of the ship, the designs that are found on the vessel, the coloration that is used is all documentable through the artwork of that time period. We know very clearly that in this first decade of the 1600s, ship building was exploding because the profits that were to be made out of this particular enterprise, there was tremendous incentive for the East India Company to find more efficient routes. That is those that are less vulnerable to piracy, the extremes of weather to the depredation on the crew from nutritional diseases when they were underway. And thus Henry Hudson comes into play here as someone who is exploring these alternate routes and looking for a way to get that more efficient route to the Indies for the East India Company.
Construction and commissioning
Half Moon was laid down as a small seaplane tender (AVP-26) on 10 March 1942 by Lake Washington Shipyards, Houghton, Washington, and was launched as such on 12 July 1942, sponsored by Mrs. T. A. Gray. In March 1943 she was selected for conversion into a motor torpedo boat tender and redesignated AGP-6, but she was so close to completion as a seaplane tender that it soon was decided to convert the seaplane tender USS Oyster Bay (AVP-28) into a motor torpedo boat tender instead; Oyster Bay was designated AGP-6 and became USS Oyster Bay (AGP-6). Half Moon, meanwhile, was again classified as a seaplane tender, again designated AVP-26 on 1 May 1943, and commissioned as such on 15 June 1943.
World War II
Half Moon spent her first months in shakedown training off California, and was then assigned to the United States Pacific Fleet. Departing San Diego, California, on 25 August 1943, she embarked a United States Marine Corps air group at Pearl Harbor, Hawaii, and steamed into Vila Harbor, New Hebrides, on 14 September 1943. She then sailed to Brisbane, Australia.
The New Guinea campaign
From Brisbane, Half Moon moved to Namoai Bay, on Sariba Island, New Guinea, arriving on 6 October 1943. At Namoai Bay Half Moon began her tending duties. Her embarked squadron, flying PBY Catalina flying boats, conducted night antishipping strikes in the New Guinea area. With the support of seaplane tenders like Half Moon these missions, called '"Black Cat" strikes, achieved important results in the destruction of Japanese transports.
Half Moon departed for Brisbane on 21 December 1943, remained there until 10 February 1944, and then steamed into a succession of New Guinea ports on the way to her new operating base, Finschafen, New Guinea. There she resumed her support of seaplane operations in the New Guinea theater.
After tending seaplanes on air-sea rescue missions from Humboldt Bay, New Guinea, in May 1944, Half Moon spent several months substituting for transports in the Pacific area, stopping at Brisbane, Manus Island, Milne Bay, and other ports. She took up "Black Cat" operations again on 25 August 1944 from Middelburg and later Morotai.
The Philippines campaign
Steaming out of Morotai on 6 October 1944, Half Moon joined a small convoy en route to Leyte Gulf to assist in the developing operations for the recapture of the Philippine Islands. The convoy arrived at Leyte Gulf on 21 October 1944, and Half Moon immediately steamed down the eastern coast of Leyte in search of a proper anchorage for her seaplane operations.
Anchoring in Hinamangan Bay, Half Moon came under air attack on 23 October 1944, and soon realized that her anchorage was a rendezvous point for Japanese planes attacking Leyte. Late on 24 October 1944 the radar aboard Half Moon began to pick up two large surface units converging and it was soon clear that she was to be a witness to the last engagement between battlelines of surface ships, the Battle of Surigao Strait, one of several actions making up the larger Battle of Leyte Gulf of 23 October 1944 – 26 October 1944. Half Moon cautiously slipped out from behind Oabugan Grande Island and was given permission to proceed up the coast of Leyte between, but well to the west of, the two fleets. She watched the spectacle of Rear Admiral Jesse B. Oldendorf's battleships, cruisers, and destroyers pounding the Japanese ships, and after the battle returned to Hinamangan Bay. Another fierce air attack, however, soon convinced the commanding officer of Half Moon that San Pedro Bay, further north, offered a more hospitable base for operation.
Half Moon weathered two severe storms, on 29 October 1944 and 8 November 1944, and operated with her seaplanes in Leyte Gulf until 27 December 1944. She was then designated as part of the support convoy for the Mindoro landing, and departed for Mangarin Bay on 27 December 1944. The convoy, known as "Uncle plus 15", encountered some of the most prolonged and determined air attacks of World War II as the Japanese strove mightily to prevent American reinforcements from reaching Mindoro. Air cover provided by land-based aircraft stopped only some of the Japanese attackers. Suicide planes (kamikazes), bombs, and strafing hit many ships. The Liberty Ship SS John Burke, loaded with ammunition, exploded, leaving virtually no trace after a kamikaze hit, the tanker USS Porcupine (IX-126) and the motor torpedo boat tender USS Orestes (AGP-10) were severely damaged, and other ships also suffered hits.
Nevertheless, the convoy drove through, giving the Japanese planes a hot time with concentrated antiaircraft fire. During the convoy's three-day voyage, gunners on Half Moon and the other ships were at their stations around the clock, Half Moon accounting for at least two and possibly four of the attacking aircraft.
The convoy arrived at Mindoro on 30 December 1944. Air attacks continued. On 4 January 1945 during one of these a large bomb skipped over Half Moon's fantail, falling to explode. Half Moon remained in Mangarin Bay tending seaplanes until returning to Leyte Gulf on 17 February 1945.
Following the victorious Philippine invasion, Half Moon moved to Manus and Humboldt Bay. While in dry dock at Manus a sole Japanese aircraft launched a torpedo at Half Moon, striking the dry dock and destroying its mess hall. There was no damage to Half Moon and only one injury, a crew member who fell off the top of the dock while fishing. The following day Tokyo Rose reported that Half Moon had been sunk.
On 30 May 1945, Half Moon got underway for the Philippines again, arriving at Tawi Tawi in the Sulu Archipelago on 11 June 1945. She supported seaplane antisubmarine searches from Tawi Tawi Bay until early August 1945, and then carried out the same mission from Mangarin Bay on Mindoro.
Honors and awards
Half Moon received two battle stars for her World War II service.
Post-World War II
Following Japan's surrender on 15 August 1945, Half Moon proceeded to Subic Bay on Luzon in the Philippines, and from there got underway for Okinawa on 30 August 1945. On the afternoon of 31 August 1945 signs of a storm were evident and by 1 September 1945 Half Moon was engulfed in a raging typhoon, with winds up to 120 knots (220 km/h) (222 kilometers per hour) and barometer readings of 27.32 inches (925 millibars). Smart seamanship allowed her to weather the storm, and she arrived safely at Okinawa on 4 September 1945.
Half Moon departed Okinawa for Manila on 1 October 1945, operated in that area for about a month, and departed Manila on 7 November 1945 for deactivation. She arrived at Seattle, Washington, on 1 December 1945, steamed to San Diego on 12 April 1946, decommissioned there on 4 September 1946, and was placed in reserve.
United States Coast Guard service
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 tasks, once they were modified by having a balloon shelter added aft and having oceanographic equipment, an oceanographic winch, and a hydrographic winch installed. After World War II, the U.S. Navy transferred 18 of the ships to the Coast Guard, in which they were known as the Casco-class cutters.
The U.S. Navy loaned Half Moon to the United States Coast Guard 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 and Governors Island in New York City throughout her Coast Guard career. Her primary duty was to serve on ocean stations in the Atlantic Ocean to gather meteorological 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, 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 she engaged in law enforcement operations.
On 24 and 25 August 1951, Half Moon assisted the merchant ship Castello Guadalest in the North Atlantic at 39°30′00″N 058°32′00″W / 39.50000°N 58.53333°W.
While in Bermuda on a United States Coast Guard Reserve training cruise, Half Moon helped civil authorities in fight a fire aboard the merchant ship Coastal Service at Ordnance Wharf in St. George's, on 14 August 1963.
Half Moon was reclassified as a high endurance cutter 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 fishing vessels 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 on 1 April 1967 under the command of Commander Emmett G. McCarthy, bound for Pearl Harbor, Hawaii, and an assignment to Coast Guard Squadron Three. The squadron, which was designated Task Unit 70.8.6, was activated at Pearl Harbor, Hawaii, on 24 April 1967 when its commander, Captain John E. Day, hoisted his flag aboard his flagship, the Coast Guard cutter USCGC Gresham.
Coast Guard Squadron Three was tasked to operate in the South China Sea in conjunction with U.S. Navy forces in Operation Market Time, the interdiction of North Vietnamese arms and munitions traffic along the coastline of South Vietnam during the Vietnam War. The squadron's other Vietnam War duties included fire support for ground forces, resupplying Coast Guard and Navy patrol boats, and search-and-rescue operations. Serving in the squadron with Gresham and Half Moon were the cutters USCGC Yakutat, USCGC Barataria and USCGC Bering Strait; 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, for Market Time duty on 4 May 1967. They were joined by Navy radar picket destroyer escorts (DERs) of Escort Squadrons 5 and 7.
The ten Market Time ships arrived at Subic Bay in the Philippines 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 patrol stations. One ship rotated duty as the station ship in Hong Kong.
During her tour, Half Moon conducted nine naval gunfire missions along the coast of South Vietnam in support of forces ashore. On 12 September 1967 she was ordered to fire on a Viet Cong (VC) build-up in An Xugen Province; her gunfire killed at least one VC soldier and destroyed three fortifications on that occasion. During her tour, she was credited with killing at least 13 VC soldiers, destroying 64 military emplacements and structures, and sinking four sampans. Half Moon also served as a home base for 50-foot (15.25 m) U.S. Navy Patrol Craft Fast and participated in search and rescue operations.
Half Moon concluded her Vietnam War tour on 29 December 1967.
Honors and awards
See note.[note 1]
Atlantic operations 1968-1969
Half Moon returned from Vietnam to her home port at New York City on 22 January 1968 and resumed her routine Coast Guard operations in the Atlantic. On 11 July 1968 she helped to evacuate an injured crewman from the West German 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, Italy, for a bid price of $66,000 (USD).
Notes
- ^ a b NavSource.org (at http://www.navsource.org/archives/09/43/4326.htm) credits Half Moon with six campaign stars for her Vietnam War service, but four of the campaigns took place entirely after her departure from Vietnam.
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 Historical Center Online Library of Selected Images: U.S. Navy Ships: USS Half Moon (AVP-26), 1943-1948
- NavSource Online: Service Ship Photo Archive AVP-26 Half Moon WAVP-378 / WHEC-378 Half Moon
- United States Coast Guard Historian's Office: Half Moon, 1948 WHEC-378 Radio call sign: NBQR
- United States Coast Guard Historian's Office: Mackinac, 1949 WHEC-371
- United States Coast Guard Historian's Office: Gresham, 1947 AGP-9; AVP-57; WAVP / WHEC / WAGW-387 ex-USS Willoughby Radio call sign: NODB
- Chesneau, Roger. Conway's All the World's Fighting Ships 1922–1946. New York: Mayflower Books, Inc., 1980. ISBN 0-8317-0303-2.
- Gardiner, Robert. Conway's All the World's Fighting Ships 1947-1982, Part I: The Western Powers. Annapolis, Maryland: Naval Institute Press, 1983. ISBN 0-87021-918-9.
 United States Navy |
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Preceded by: Curtiss class Followed by: Currituck class | |||||||||||||
This page was last edited on 18 July 2023, at 05:56