USS Oberrender
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USS ''Oberrender'' (DE-344) was a ''John C. Butler''–class destroyer escort built for the United States Navy during World War II. She was named for Lieutenant Commander Thomas Olin Oberrender Jr., the engineering officer of the light cruiser , who was killed when that ship was torpedoed and sunk during the Naval Battle of Guadalcanal in 1942. Laid down in November 1943, launched in January 1944, and commissioned almost four months later, ''Oberrender'' served on convoy escort duty in the Pacific from late 1944, with an interlude protecting
escort carrier The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft ...
s during the early stages of the
invasion of Leyte An invasion is a military offensive in which large numbers of combatants of one geopolitical entity aggressively enter territory owned by another such entity, generally with the objective of either: conquering; liberating or re-establishin ...
. She was heavily damaged by the explosion of the
ammunition ship An ammunition ship is an auxiliary ship specially configured to carry ammunition, usually for naval ships and aircraft. An ammunition ship's cargo handling systems, designed with extreme safety in mind, include ammunition hoists with airlocks bet ...
at
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and was repaired there during November. Returned to service in December, ''Oberrender'' served on
anti-submarine An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war. In its simplest sense, an anti-submarine weapo ...
patrol during the
Battle of Okinawa The , codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa by United States Army (USA) and United States Marine Corps (USMC) forces against the Imperial Japanese Army (IJA). The initial invasion of ...
, during which she was irreparably damaged by a kamikaze attack in early May 1945. As a result, she was decommissioned and sunk as a target late that year.


Design

The ''John C. Butler''–class destroyer escorts were designed to meet a need for large numbers of cheap
anti-submarine An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war. In its simplest sense, an anti-submarine weapo ...
escort ships for ocean convoys, and as a result carried little anti-surface armament. The class was part of an initial requirement for 720 escorts to be completed by the end of 1944, which was significantly reduced. ''Oberrender'' was long overall with a beam of and a draft of . She displaced standard and full load, with a complement of 14 officers and 201 enlisted men. The ship was propelled by two General Electric geared
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s powered by two "D"
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boilers, creating for a designed maximum speed of . She had a range of at .


Armament and sensors

''Oberrender'' mounted a main battery of two single turret-mounted /38 caliber guns, one forward and one aft of the
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, to protect against surface and aerial threats, directed by the Mark 51 Gunnery Fire-Control System. She also carried four Bofors anti-aircraft (AA) guns in two twin mounts,
superfiring Superfiring armament is a naval military building technique in which two (or more) turrets are located in a line, one behind the other, with the second turret located above ("super") the one in front so that the second turret can fire over the ...
over the 5-inch guns, also controlled by the Mark 51 fire-control system, and ten single Oerlikon light AA guns. Equipped with three centerline torpedo tubes, the ship also carried two
depth charge A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth ...
racks, eight K-gun depth-charge throwers and one Hedgehog spigot mortar as anti-submarine weapons. She was equipped with a QC series sonar, SL-1 surface
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radar, and SA-2 air search radar.


Construction and service


Construction, shakedown, and convoy escort duty

Laid down by the Consolidated Steel Corporation of Orange, Texas, on 8 November 1943, ''Oberrender'' (DE-344) was launched on 18 January 1944, sponsored by the widow of her namesake, Lieutenant Commander Thomas Olin Oberrender Jr., the engineering officer of , who was killed during the sinking of the latter in the Naval Battle of Guadalcanal. She was commissioned on 11 May 1944 under the command of Lieutenant Commander Samuel Spencer, who commanded the ship for the duration of her service. Following commissioning, the ship began fitting out at the Orange City Docks, followed by gunnery testing in the Gulf of Mexico. Throughout the month she conducted further training and completed her fitting out at the Todd Galveston Dry Docks. ''Oberrender'' was then degaussed before sailing for Bermuda on 28 May. After arrival, the ship undertook a
shakedown cruise Shakedown cruise is a nautical term in which the performance of a ship is tested. Generally, shakedown cruises are performed before a ship enters service or after major changes such as a crew change, repair or overhaul. The shakedown cruise s ...
off the island, attached to the Atlantic Fleet. For repairs to correct deficiencies found during shakedown, ''Oberrender'' was ordered to the Boston Navy Yard. She was ordered to Norfolk Navy Yard for further repairs in mid-July and remained there until 22 July, when she began the journey to the Panama Canal, escorting the oiler and
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. ''Oberrender'' transited the canal on 1 August, after a stopover at
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. Assigned to Escort Division (CortDiv) 69 of the Pacific Fleet after exiting the canal, she arrived at Pearl Harbor on 16 August, having escorted ''Nantahala'' and ''Nemasket'' there. Operating out of Pearl Harbor, ''Oberrender'' conducted training operations, including gunnery exercises, until 30 August, when she departed for Eniwetok in the Marshall Islands, escorting a convoy along with the destroyer escort ; both returned with another convoy to Pearl Harbor on 18 September. With fellow destroyer escorts and , ''Oberrender'' escorted another Eniwetok-bound convoy, arriving at her destination on 30 September.


Leyte and ''Mount Hood'' explosion

With the other destroyer escorts of CortDiv 69, ''Oberrender'' left for
Manus Manus may refer to: * Manus (anatomy), the zoological term for the distal portion of the forelimb of an animal (including the human hand) * ''Manus'' marriage, a type of marriage during Roman times Relating to locations around New Guinea * Man ...
in the Admiralty Islands on 1 October, arriving at Seeadler Harbor five days later. Together with the destroyer escorts ''Walter C. Wann'' and ', and the destroyers , , and , she left Manus on 12 October, escorting
Rear Admiral Rear admiral is a senior naval flag officer rank, equivalent to a major general and air vice marshal and above that of a commodore and captain, but below that of a vice admiral. It is regarded as a two star "admiral" rank. It is often regarde ...
Thomas Sprague’s
escort carrier The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft ...
s to the Philippines for the
invasion of Leyte An invasion is a military offensive in which large numbers of combatants of one geopolitical entity aggressively enter territory owned by another such entity, generally with the objective of either: conquering; liberating or re-establishin ...
. The destroyers and destroyer escorts screened the escort carriers of Rear Admiral Felix Stump's Task Unit 77.4.2 as they launched airstrikes against Japanese positions in the central Philippines from 17 October. ''Oberrender'' missed the
Battle of Leyte Gulf The Battle of Leyte Gulf ( fil, Labanan sa golpo ng Leyte, lit=Battle of Leyte gulf; ) was the largest naval battle of World War II and by some criteria the largest naval battle in history, with over 200,000 naval personnel involved. It was fou ...
due to being detached on 24 October to cover the movement of the escort carriers of Task Unit 77.4.1 to
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to take aboard replacement aircraft. After refueling in San Pedro Bay, Leyte, she returned to Task Unit 77.4.2 on 29 October for a voyage back to Manus. After arrival at Manus, the ship remained anchored in Seeadler Harbor, and on 10 November was from the
ammunition ship An ammunition ship is an auxiliary ship specially configured to carry ammunition, usually for naval ships and aircraft. An ammunition ship's cargo handling systems, designed with extreme safety in mind, include ammunition hoists with airlocks bet ...
when the latter exploded. She was heavily damaged by fragments and exploding ammunition from the resulting conflagration, and had to be towed to the Lombrum Point Ship Repair Dock for repairs that lasted the rest of the month. ''Oberrender'' lost one sailor missing, one killed, and seventeen wounded in the explosion.


Lingayen Gulf, escort and patrol duty

While ''Oberrender'' was under repair, CortDiv69 was attached to Task Force 79 of the Seventh Fleet. Following the completion of repairs, she went to Borgen Bay off Cape Gloucester for an anti-submarine patrol in early December. Returning to Seeadler Harbor on 11 December as part of the screen for Task Group 79.4, the destroyer escort conducted gunnery training there and en route to the Huon Gulf, where she patrolled from 18 December. With Task Group 79.2, ''Oberrender'' returned to Seeadler Harbor on 21 December, remaining there until the last day of the year, when she departed for the invasion of Lingayen Gulf as part of the screen for the task group. Again without result, she engaged a Mitsubishi A6M Zero attacking a convoy of transports. Taking up duty on an anti-submarine patrol station in Lingayen Gulf between 9 and 12 January, ''Oberrender'' escaped the notice of Japanese kamikaze pilots, whose attacks damaged ''LeRay Wilson'' and the destroyer escort ', also on the patrol line. At the end of this period, she departed with ''Gilligan'' and the destroyer escort ' for San Pedro Bay. The three escorts acted as part of the screen for the Landing Ship, Tanks of Task Forces 78 and 79 until arrival at the bay on 17 January. On the next day, ''Oberrender'' left for
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, Netherlands New Guinea, as part of the screen for two divisions of attack cargo ships, part of Task Group 78.6. The task group was diverted to Biak en route and after arrival there, she anchored at nearby Mios Woendi Lagoon until 27 January, when she began a three-day patrol off Biak before returning to Mios Woendi. ''Oberrender'' became part of the screen for the task group, known as the Third Lingayen Reinforcement Group, on 1 February. The latter departed from Biak with its transports carrying the 41st Infantry Division two days later, and she continued screening the task group, which unloaded its troops at Mangarin Bay on Mindoro on 9 February. After the unloading, the task group and its screen continued to San Pedro Bay, where it dissolved on 12 February, leaving ''Oberrender'' at anchor awaiting a new assignment. Three days later, she departed for Ulithi in the Caroline Islands, as part of the screen for attack transports of Task Group 78.5; the ship arrived there on 19 February and remained anchored there until 2 March, when she participated in anti-submarine training with the submarine '. ''Oberrender'' departed Ulithi on the next day, acting as part of the screen for three fleet oilers on their voyage to the Tarraguna Anchorage near San Pedro Bay, which was reached on 7 March. Anchored in the bay for several days, she became part of Task Group 51.1 in preparation for the invasion of Okinawa, and on 10 March participated in anti-aircraft firing exercises. With the task group, the ship conducted rehearsals for the landings in Leyte Gulf between 14 and 16 March, then returned to the anchorage.


Okinawa

On 21 March, Task Group 51.1, known as the Western Islands Attack Group, departed for the Kerama Islands, which it was to secure before the invasion of Okinawa. ''Oberrender'' was included in the task group screen with Task Unit 51.1.13, which also included ''Richard W.'' ''Suesens'' and ' from CortDiv 69 as well as the destroyers ', ', ', ', ' and ' of Destroyer Squadron 49. They arrived in the area of Kerama Retto on 26 March, and while the troops quickly secured the islands, ''Oberrender'' was placed on anti-submarine patrol. On the night of 29 March her lookouts spotted a Japanese
G4M Betty The Mitsubishi G4M was a twin-engine, land-based medium bomber formerly manufactured by the Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries, and operated by the Imperial Japanese Navy from 1940 to 1945. Its official desig ...
bomber, flying above the transports she was escorting for the night. This was ''Oberrender'''s first Japanese aircraft sighting of the campaign. She fruitlessly fired 20 mm rounds at the aircraft, which did not attack. When the invasion of Okinawa began on 1 April, known as L-Day, the task unit was dissolved and Task Group 51.5 under Captain Frederick Moosbrugger assumed control of the screen, in the waters surrounding the island, including ''Oberrender'' on anti-submarine patrol. Air attacks became more frequent, but she remained untouched, driving off a Zero and a D3A Val dive bomber with her AA fire in two separate actions on 2 April. A day later, the ship stood alongside fellow destroyer escort ' was damaged by a bomb, and she temporarily left her patrol station to escort the attack transport ' into Hagushi Bay. ''Oberrender'' departed Okinawa to escort attack transports returning to
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on 5 April, returning to Okinawa after a stopover at Ulithi on 17 April. Back in the Okinawa vicinity, she and fellow destroyer escort ' operated as an anti-submarine hunter-killer group for the next several days, on one occasion firing her Hedgehog (weapon) at several contacts that turned out to be schools of fish. After returning to her patrol station separately from ''England'' in late April, ''Oberrender'' briefly returned to the Kerama Islands for resupply on 30 April, then resumed her station later that day. For the next few days, the routine of patrolling was broken by the escort of transports from Hagushi Beach to Nakagusuku Bay on 2 May and a fruitless engagement with a G3M Nell bomber. While stationed with the outer anti-submarine screen to the west of the island on 9 May, ''Oberrender'' went to general quarters after receiving a report of an approaching kamikaze attack at 18:40. After picking up a lone Japanese aircraft on her radar ten minutes later, she increased to flank speed. Her lookouts sighted the plane at 18:52, and it entered a dive toward the ship. One of its wings was torn off by her anti-aircraft fire, causing the aircraft to veer to the right, but it still crashed into the starboard 20 mm mount, destroying the latter. The bomb carried by the aircraft penetrated the main deck and exploded in the forward fireroom, knocking out power and leaving her dead in the water. The explosion heavily damaged the ship and nearly broke her in half, blowing the starboard hull plating outwards for a quarter of her length and pushing up the main deck. In the attack, eight men were killed and fifty-three wounded; those killed were either in the forward fireroom or the 20 mm mount that the plane crashed into. ''Oberrender'' transferred her wounded to rescue patrol craft escort ''PCE(R)-855'' and was towed to
Kerama Retto The are a subtropical island group southwest of Okinawa Island in Japan. Geography Four islands are inhabited: Tokashiki Island, Zamami Island, Aka Island, and Geruma Island. The islands are administered as Tokashiki Village and Zamami V ...
by the fleet tug . Declared to be a constructive total loss, she was decommissioned on 11 July and struck from the Naval Vessel Register on 25 July. Her serviceable equipment was removed and the
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was used as a target for gunnery practice, being sunk on 6 November 1945.


Awards

''Oberrender'' received three battle stars for World War II service, one each for her participation in the Leyte landings, the Lingayen Gulf Landing, and the assault and occupation of Okinawa.


Footnotes


References


Citations


Bibliography

* * * * * * * * Military documents * * * * * * * * * * * * * * *


External links


Additional USS ''Oberrender'' photographs on usndazzle.com
{{DEFAULTSORT:Oberrender John C. Butler-class destroyer escorts Ships built in Orange, Texas 1944 ships World War II frigates and destroyer escorts of the United States Shipwrecks in the Pacific Ocean Ships sunk as targets Maritime incidents in November 1944 Maritime incidents in May 1945 Maritime incidents in November 1945