# HMS Chaser

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1943 Attacker-class escort carrier of the Royal Navy

For other ships with the same name, see [USS Breton](/source/USS_Breton).

HMS Chaser in 1945 History United States Name Mormacgulf Mormacdove Breton Namesake Moore-McCormack Lines, Inc. Breton Sound, Louisiana Operator Moore-McCormack Lines, Inc. (intended) Ordered as a C3-S-A1 hull MC-162[1] Awarded 9 September 1940 Builder Ingalls Shipbuilding, Pascagoula, Mississippi Cost $7,412,192 Yard number 295 Way number 3 Laid down 28 June 1941 Launched 19 June 1942 Acquired 27 March 1943 Renamed Breton, 26 December 1941 Reclassified ACV, 20 Aug 1942 CVE, 15 July 1943 Identification Hull symbol: AVG-10 ACV-10 CVE-10 Fate Transferred to the Royal Navy, 9 April 1943 United Kingdom Name Chaser Namesake One that chases or purses another Acquired 9 April 1943 Commissioned 9 April 1943 Identification Pennant number: D32 R306 A727 Fate Returned to USN, 12 May 1946 United States Name CVE-10 Acquired 12 May 1946 Stricken 3 August 1946 Fate Sold for merchant use, 20 Dec 1946 General characteristics Class & type Bogue-class escort carrier (USA) Attacker-class escort carrier (UK) Displacement 8,390 long tons (8,520 t) (standard) 13,980 long tons (14,200 t) (full load) Length 465 ft (142 m) (wl) 495 ft 8 in (151.08 m) (oa) 440 ft (130 m) (fd) Beam 69 ft 6 in (21.18 m) wl 82 ft (25 m) (fd) 111 ft 6 in (33.99 m) (extreme width) Draught 23 ft 3 in (7.09 m) (mean) 26 ft (7.9 m) (max) Installed power 2 × Foster-Wheeler 285 psi (1,970 kPa) boilers 8,500 shp (6,300 kW) Propulsion 1 × Allis-Chalmers steam turbine 1 × Screw Speed 18 kn (33 km/h; 21 mph) Complement 646 Armament 2 × 4 in (102 mm)/50 caliber MK 9 guns 4 × twin 40 mm (1.57 in) Bofors anti-aircraft guns (AA) (4×2) 8 × twin 20 mm (0.79 in) Oerlikon AA cannons 10 × single 20 mm Oerlikon AA cannons Aircraft carried 24 Aviation facilities 1 × hydraulic catapult 2 × elevators Service record Operations Battle of the Atlantic, Arctic convoys (1943–45) Victories Sank U-472, U-366, U-973 (1944)

**HMS *Chaser* (D32/R306/A727)** was an American-built [*Attacker*-class](/source/Attacker-class_escort_carrier) [escort carrier](/source/Escort_carrier) that served with the [Royal Navy during the Second World War](/source/Royal_Navy_during_the_Second_World_War).

Acquired by the [United States Navy](/source/United_States_Navy) for conversion to a [*Bogue*-class](/source/Bogue-class_escort_carrier) [escort carrier](/source/Escort_carrier); she was transferred to the Royal Navy and commissioned as *Chaser* on 9 April 1943, under the [Lend-Lease](/source/Lend-Lease) agreement. She spent most of her career escorting [convoys](/source/Convoys) in [Arctic](/source/Arctic), she transferred to the [British Pacific Fleet](/source/British_Pacific_Fleet) in March 1945.

## Construction

*Chaser* was laid down on 28 June 1941, under a [Maritime Commission](/source/Maritime_Commission) contract, MC hull 162, by [Ingalls Shipbuilding](/source/Ingalls_Shipbuilding), in [Pascagoula](/source/Pascagoula%2C_Mississippi), Mississippi, as *Mormacgulf*. Her name was changed to *Mormacdove* on 5 December 1941.[1] She was launched on 19 June 1942, sponsored by Mrs. Eugene T. Oates. After she was acquired by the [US Navy](/source/US_Navy), she was renamed *Breton* and designated **AVG-10**. On 20 August 1942, she was reclassified **ACV-10**. On 9 April, she was again reclassified, now **CVE-10**, and transferred to the [Royal Navy](/source/Royal_Navy) under the [Lend-Lease](/source/Lend-Lease) program and commissioned as HMS *Chaser*.[2]

## Design and description

There were eleven *Attacker*-class in service with the Royal Navy during the [Second World War](/source/Second_World_War). They were built between 1941 and 1942, by [Seattle-Tacoma Shipbuilding Corporation](/source/Seattle-Tacoma_Shipbuilding_Corporation), [Ingalls Shipbuilding](/source/Ingalls_Shipbuilding), and [Western Pipe & Steel](/source/Western_Pipe_%26_Steel) shipyards in the United States.[3]

The ship had complement of 646 men, who lived in crew accommodation that was significantly different from the arrangements that were normal for the Royal Navy at the time. The separate [messes](/source/Mess) no longer had to prepare their own food, as everything was cooked in the galley and served [cafeteria](/source/Cafeteria) style in a central dining area. They were also equipped with a modern laundry and a barber shop. The traditional [hammocks](/source/Hammock) were replaced by three-tier bunk-beds, 18 to a cabin, which were hinged and could be tied up to provide extra space when not in use.[4]

*Chaser* had an [overall length](/source/Length_overall) of 495 ft 8 in (151.08 m), a [beam](/source/Beam_(nautical)) of 69 ft 6 in (21.18 m) and a [draught](/source/Draft_(hull)) of 24 ft 8 in (7.52 m). She displaced 14,170 long tons (14,400 t) at [full load](/source/Full_load). Power was provided by two boilers feeding steam to a [turbine](/source/Steam_turbine) driving one [shaft](/source/Propeller), giving 8,500 [bhp](/source/Horsepower#Brake_horsepower) (6,300 [kW](/source/Kilowatt)), which could propel the ship at 18 kn (33 km/h; 21 mph).[5]

She had the operating capacity for up to 24 aircraft, which could be a mixture of [anti-submarine](/source/Anti-submarine) and [fighter aircraft](/source/Fighter_aircraft); the British [Hawker Sea Hurricane](/source/Hawker_Sea_Hurricane) and [Supermarine Seafire](/source/Supermarine_Seafire) naval fighters, [Fairey Swordfish](/source/Fairey_Swordfish) torpedo bomber or the American-supplied [Grumman Martlet](/source/Grumman_F4F_Wildcat#Royal_Navy_Martlets) and [Vought F4U Corsair](/source/Vought_F4U_Corsair#Royal_Navy) fighters or [Grumman Avenger](/source/Grumman_TBF_Avenger#Royal_Navy) torpedo bomber could be carried.[6] The exact composition of the embarked squadrons depended upon the mission. Some squadrons were composite squadrons for convoy defence and would be equipped with both anti-submarine and fighter aircraft,[7] while other squadrons working in a strike carrier role would only be equipped with fighter aircraft.[8] Aircraft facilities were a small combined bridge–flight control on the [starboard](/source/Starboard) side and above the 450 ft × 120 ft (137 m × 37 m) flight deck,[9] two aircraft lifts 42 ft × 34 ft (13 m × 10 m), and nine [arrestor wires](/source/Arresting_gear). Aircraft could be housed in the 260 ft × 62 ft (79 m × 19 m) hangar below the flight deck.[6] When employed as an aircraft transport she could carry 90 aircraft.[10]

A typical twin [40 mm Bofors](/source/Bofors_40_mm_Automatic_Gun_L%2F60) [anti-aircraft gun](/source/Anti-aircraft_gun) mounting on the *Attacker*-class.

The ships armament concentrated on [anti-aircraft](/source/Anti-aircraft) (AA) defence and consisted of eight [40 mm (1.57 in) Bofors guns](/source/Bofors_40_mm_Automatic_Gun_L%2F60) in twin mounts and ten [20 mm (0.79 in) Oerlikon cannons](/source/Oerlikon_20_mm_cannon) in single and eight in twin mounts.[6] In addition, she had two [4 inch (102 mm)/50 caliber Mk 9 guns](/source/4%22%2F50_caliber_gun).[10]

*Chaser* was designed to accompany other ships forming the escort for convoys.[11] The anti-submarine aircraft employed were initially the Fairey Swordfish and later the Grumman Avenger, which could be armed with torpedoes, [depth charges](/source/Depth_charge), 250 lb (110 kg) bombs or [RP-3](/source/RP-3) rocket projectiles.[12] As well as carrying out their own attacks on U-boats, these aircraft identified their locations for the convoy's escorts to mount an attack.[13] Typically anti-submarine patrols would be flown between dawn and dusk. One aircraft would fly about 10 mi (16 km) ahead of the convoy, while another patrolled astern. Patrols would last between two and three hours, using both radar and visual observation in their search for U-boats.[14]

*Chaser* also had a secondary role, providing oil and provisions for her accompanying destroyers. This could be a lengthy process and was done on the move. It took 40 minutes from firing a line across to the destroyer to start pumping oil, while it took another two hours to pump 98 tons of oil and a further 35 minutes to disconnect the hose pipe and secure the equipment.[15]

## Service history

After workup in the [Chesapeake Bay](/source/Chesapeake_Bay) area, *Chaser* embarked [845 Squadron](/source/845_Naval_Air_Squadron), which had been formed in the US, on 23 June 1943, for passage across the [Atlantic](/source/Atlantic). She crossed the Atlantic in company with [Convoy HX 245](https://en.wikipedia.org/w/index.php?title=Convoy_HX_245&action=edit&redlink=1), arriving at the [Clyde](/source/River_Clyde) on 6 July 1943.[16][17]

On 7 July 1943, there was an explosion in *Chaser*'s boiler room. She was repaired at [Rosyth Dockyard](/source/Rosyth_Dockyard). On 29 October, with her repairs completed, she returned to the Clyde, where she was allocated to the [Western Approaches Command](/source/Western_Approaches_Command). She embarked [835 Squadron](/source/835_Naval_Air_Squadron) equipped with [Fairey Swordfish](/source/Fairey_Swordfish) and [Sea Hurricanes](/source/Sea_Hurricane) for workup. On 29 November, *Chaser* returned to the Clyde for further defect rectification. These repairs would continue for the remainder of the year.[16][17] Upon the return to active duty she was attached to the [Home Fleet](/source/Home_Fleet) for convoy duty on the Russian convoy route, embarking [816 Squadrons](/source/816_Naval_Air_Squadron), equipped with Swordfish and [Grumman Wildcats](/source/Grumman_Wildcat), and sailed for [Scapa Flow](/source/Scapa_Flow).[17]

### Arctic duty

On 22 January 1944, *Chaser* joined [Convoy JW 57](/source/Convoy_JW_57), which had left [Loch Ewe](/source/Loch_Ewe) the previous day, for escort to the [Kola Inlet](/source/Kola_Inlet). She was the first escort carrier assigned to provide protection for large convoys as they steamed to Russia.[18] *Chaser*'s Wildcats helped to drive off German aircraft shadowing the convoy, while her Swordfish made several unsuccessful attacks against German submarines.[19] On 24 February, one of *Chaser*' Swordfishes spotted the submarine [*U-713*](/source/German_submarine_U-713) on the surface and called up the destroyer [*Keppel*](/source/HMS_Keppel_(D84)) which sank the U-boat with depth charges.[20] A second submarine [*U-601*](/source/German_submarine_U-601) was sunk by a shore based flying boat, while one escorting destroyer, [*Mahratta*](/source/HMS_Mahratta) was sunk by a U-boat. None of the 43 merchant ships comprising the convoy was hit by the 14 U-boats deployed in two patrol lines against the convoy.[19][21]

*Chaser* joined the return convoy, [RA 57](https://en.wikipedia.org/w/index.php?title=Convoy_RA_57&action=edit&redlink=1) of 33 merchant ships, on 2 March.[22] On 4 March, one of *Chaser*'s Swordfish caught [*U-472*](/source/German_submarine_U-472) on the surface. *U-472* was unable to defend itself as its anti-aircraft guns were iced up, and the Swordfish attacked with bombs and rockets, damaging the submarine, and then called up the destroyer [*Onslaught*](/source/HMS_Onslaught_(G04)) which finished off the submarine with gunfire.[23][24][25] The next day, a Swordfish from *Chaser* attacked and sunk [*U-366*](/source/German_submarine_U-366) with rockets, at [72°10′N 14°44′E / 72.167°N 14.733°E / 72.167; 14.733](https://geohack.toolforge.org/geohack.php?pagename=HMS_Chaser&params=72_10_N_14_44_E_) in the Arctic, northwest of [Hammerfest](/source/Hammerfest), Norway.[23][25][26] On 6 March, radio signals from a submarine were detected by [HF/DF](/source/High-frequency_direction_finding) and a Swordfish was sent to investigate. The Swordfish spotted the submarine and attacked with rockets, sinking [*U973*](/source/German_submarine_U-973) at [70°04′N 5°48′E / 70.067°N 5.800°E / 70.067; 5.800](https://geohack.toolforge.org/geohack.php?pagename=HMS_Chaser&params=70_04_N_5_48_E_) in the [Norwegian Sea](/source/Norwegian_Sea), northwest of [Narvik](/source/Narvik), Norway.[25][26] One merchant ship was sunk.[22]

After returning to Loch Ewe on 10 March, *Chaser* dragged her anchor and ran aground on 13 March, being towed off the next day. She had her hull repaired and was refitted at Rosyth and was then modified for service as a ferry carrier with the Pacific Fleet at [Belfast](/source/Belfast).[16][27]

### Pacific duty

On 14 February 1945, *Chaser* left Britain on the first part of the journey to join the [British Pacific Fleet](/source/British_Pacific_Fleet), arriving in [Sydney](/source/Sydney) in May 1945,[27] where she was attached to the [30th Aircraft Carrier Squadron](/source/30th_Aircraft_Carrier_Squadron).[28] She was designated as a replenishment carrier, tasked with ferrying replacement aircraft to the forward areas where they could be transferred to the operational carriers.[27] *Chaser* ferried aircraft to support British Pacific fleet operations during the [invasion of Okinawa](/source/Battle_of_Okinawa) and operations off Japan in July–August 1945.[27] Owing to a shortage to dedicated tankers, *Chaser* was also used to refuel other ships.[27]

Following the [Japanese surrender](/source/Japanese_surrender) in August 1945, she transported Allied prisoners of war homeward.[2]

## Decommissioning

The escort carrier was returned to the United States Navy at [Norfolk, Virginia](/source/Norfolk%2C_Virginia) on 12 May 1946,[27][2] and the ship was struck from the US [Navy list](/source/Navy_list) on 3 August 1946.[2] She was sold to the [Waterman Steamship Co.](/source/Waterman_Steamship_Co.) on 20 December 1946 and later resold to the Netherlands.[2]

## Merchant service

She was renamed *Aagtekerk* in civilian service and was later renamed *E Yung*. The ship foundered on 4 December 1972, and was salvaged and then scrapped in [Taiwan](/source/Taiwan).[16]

## FAA squadrons

Fleet Air Arm Squadrons stationed on Chaser[29] Squadron Dates Aircraft type 835 November 1943 – December 1943 Fairey Swordfish Mks.II/Hawker Sea Hurricane 816 April 1943 - September 1943 Fairey Swordfish Mks.II/Grumman Wildcat Mk.V 899 August 1943 - October 1943 Supermarine Seafire L.III

## References

1. ^ [***a***](#cite_ref-FOOTNOTEMARCOM_1-0) [***b***](#cite_ref-FOOTNOTEMARCOM_1-1) [MARCOM](#CITEREFMARCOM).

1. ^ [***a***](#cite_ref-FOOTNOTEDANFS_-_Breton_2-0) [***b***](#cite_ref-FOOTNOTEDANFS_-_Breton_2-1) [***c***](#cite_ref-FOOTNOTEDANFS_-_Breton_2-2) [***d***](#cite_ref-FOOTNOTEDANFS_-_Breton_2-3) [***e***](#cite_ref-FOOTNOTEDANFS_-_Breton_2-4) [DANFS - Breton](#CITEREFDANFS_-_Breton).

1. **[^](#cite_ref-FOOTNOTECocker200879_3-0)** [Cocker 2008](#CITEREFCocker2008), p. 79.

1. **[^](#cite_ref-FOOTNOTEPoolman197274–75_4-0)** [Poolman 1972](#CITEREFPoolman1972), pp. 74–75.

1. **[^](#cite_ref-FOOTNOTECocker200880–81_5-0)** [Cocker 2008](#CITEREFCocker2008), pp. 80–81.

1. ^ [***a***](#cite_ref-FOOTNOTECocker200880_6-0) [***b***](#cite_ref-FOOTNOTECocker200880_6-1) [***c***](#cite_ref-FOOTNOTECocker200880_6-2) [Cocker 2008](#CITEREFCocker2008), p. 80.

1. **[^](#cite_ref-FOOTNOTEPoolman197298_7-0)** [Poolman 1972](#CITEREFPoolman1972), p. 98.

1. **[^](#cite_ref-FOOTNOTEMorison2002342_8-0)** [Morison 2002](#CITEREFMorison2002), p. 342.

1. **[^](#cite_ref-FOOTNOTEPoolman197257_9-0)** [Poolman 1972](#CITEREFPoolman1972), p. 57.

1. ^ [***a***](#cite_ref-FOOTNOTEHobbs199673_10-0) [***b***](#cite_ref-FOOTNOTEHobbs199673_10-1) [Hobbs 1996](#CITEREFHobbs1996), p. 73.

1. **[^](#cite_ref-FOOTNOTEPoolman1972155_11-0)** [Poolman 1972](#CITEREFPoolman1972), p. 155.

1. **[^](#cite_ref-FOOTNOTEPoolman1972135_12-0)** [Poolman 1972](#CITEREFPoolman1972), p. 135.

1. **[^](#cite_ref-FOOTNOTECocker2008147_13-0)** [Cocker 2008](#CITEREFCocker2008), p. 147.

1. **[^](#cite_ref-FOOTNOTEPoolman197279_14-0)** [Poolman 1972](#CITEREFPoolman1972), p. 79.

1. **[^](#cite_ref-FOOTNOTEPoolman1972102-103_15-0)** [Poolman 1972](#CITEREFPoolman1972), p. 102-103.

1. ^ [***a***](#cite_ref-FOOTNOTEHobbs199674_16-0) [***b***](#cite_ref-FOOTNOTEHobbs199674_16-1) [***c***](#cite_ref-FOOTNOTEHobbs199674_16-2) [***d***](#cite_ref-FOOTNOTEHobbs199674_16-3) [Hobbs 1996](#CITEREFHobbs1996), p. 74.

1. ^ [***a***](#cite_ref-FOOTNOTEHobbs2013141_17-0) [***b***](#cite_ref-FOOTNOTEHobbs2013141_17-1) [***c***](#cite_ref-FOOTNOTEHobbs2013141_17-2) [Hobbs 2013](#CITEREFHobbs2013), p. 141.

1. **[^](#cite_ref-FOOTNOTERueggHague199361_18-0)** [Ruegg & Hague 1993](#CITEREFRueggHague1993), p. 61.

1. ^ [***a***](#cite_ref-FOOTNOTERoskill1960270–271_19-0) [***b***](#cite_ref-FOOTNOTERoskill1960270–271_19-1) [Roskill 1960](#CITEREFRoskill1960), pp. 270–271.

1. **[^](#cite_ref-FOOTNOTEKemp1997171–172_20-0)** [Kemp 1997](#CITEREFKemp1997), pp. 171–172.

1. **[^](#cite_ref-FOOTNOTERueggHague199361–62_21-0)** [Ruegg & Hague 1993](#CITEREFRueggHague1993), pp. 61–62.

1. ^ [***a***](#cite_ref-FOOTNOTERueggHague199362_22-0) [***b***](#cite_ref-FOOTNOTERueggHague199362_22-1) [Ruegg & Hague 1993](#CITEREFRueggHague1993), p. 62.

1. ^ [***a***](#cite_ref-FOOTNOTEBlair2000515_23-0) [***b***](#cite_ref-FOOTNOTEBlair2000515_23-1) [Blair 2000](#CITEREFBlair2000), p. 515.

1. **[^](#cite_ref-FOOTNOTEKemp1997173–174_24-0)** [Kemp 1997](#CITEREFKemp1997), pp. 173–174.

1. ^ [***a***](#cite_ref-FOOTNOTEHelgason_25-0) [***b***](#cite_ref-FOOTNOTEHelgason_25-1) [***c***](#cite_ref-FOOTNOTEHelgason_25-2) [Helgason](#CITEREFHelgason).

1. ^ [***a***](#cite_ref-FOOTNOTEKemp1997174_26-0) [***b***](#cite_ref-FOOTNOTEKemp1997174_26-1) [Kemp 1997](#CITEREFKemp1997), p. 174.

1. ^ [***a***](#cite_ref-FOOTNOTEHobbs2013142_27-0) [***b***](#cite_ref-FOOTNOTEHobbs2013142_27-1) [***c***](#cite_ref-FOOTNOTEHobbs2013142_27-2) [***d***](#cite_ref-FOOTNOTEHobbs2013142_27-3) [***e***](#cite_ref-FOOTNOTEHobbs2013142_27-4) [***f***](#cite_ref-FOOTNOTEHobbs2013142_27-5) [Hobbs 2013](#CITEREFHobbs2013), p. 142.

1. **[^](#cite_ref-FOOTNOTEHobbs2017166,_253_28-0)** [Hobbs 2017](#CITEREFHobbs2017), pp. 166, 253.

1. **[^](#cite_ref-FOOTNOTESturtivantBallance1994395_29-0)** [Sturtivant & Ballance 1994](#CITEREFSturtivantBallance1994), p. 395.

## Bibliography

- [Blair, Clay](/source/Clay_Blair) (2000). *Hitler's U-Boat War: The Hunted 1942–1945*. New York: Modern Library. [ISBN](/source/ISBN_(identifier)) [0-679-64033-9](https://en.wikipedia.org/wiki/Special:BookSources/0-679-64033-9).

- ["*Breton*"](https://www.history.navy.mil/content/history/nhhc/research/histories/ship-histories/danfs/b/breton-i.html). *DANFS*. [Navy Department](/source/United_States_Department_of_the_Navy), [Naval History and Heritage Command](/source/Naval_History_and_Heritage_Command). Retrieved 17 December 2020. This article incorporates text from this source, which is in the [public domain](/source/Public_domain).

- Cocker, Maurice (2008). *Aircraft-Carrying Ships of the Royal Navy*. Stroud, Gloucestershire: The History Press. [ISBN](/source/ISBN_(identifier)) [978-0-7524-4633-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-7524-4633-2).

- Helgason, Guðmundur. ["HMS Chaser (D 32)"](https://uboat.net/allies/warships/ship/3269.html). *German U-boats of WWII - uboat.net*. Retrieved 17 December 2020.

- Hobbs, David (1996). *Aircraft Carriers of the Royal and Commonwealth Navies*. London: Greenhill Books. [ISBN](/source/ISBN_(identifier)) [1-85367-252-1](https://en.wikipedia.org/wiki/Special:BookSources/1-85367-252-1).

- Hobbs, David (2013). *British Aircraft Carriers: Design, Development and Service Histories*. Barnsley, UK: Seaforth Publishing. [ISBN](/source/ISBN_(identifier)) [978-1-84832-138-0](https://en.wikipedia.org/wiki/Special:BookSources/978-1-84832-138-0).

- Hobbs, David (2017). *The British Pacific Fleet: The Royal Navy's Most Powerful Strike Force*. Barnsley, UK: Seaforth Publishing. [ISBN](/source/ISBN_(identifier)) [978-1-5267-0238-8](https://en.wikipedia.org/wiki/Special:BookSources/978-1-5267-0238-8).

- Kemp, Paul (1997). *U-Boats Destroyed: German Submarine Losses in the World Wars*. London: Arms & Armour Press. [ISBN](/source/ISBN_(identifier)) [1-85409-321-5](https://en.wikipedia.org/wiki/Special:BookSources/1-85409-321-5).

- Morison, Samuel (2002). *History of United States Naval Operations in World War II*. Urbana, Illinois: University of Illinois Press. [ISBN](/source/ISBN_(identifier)) [978-0-252-07062-4](https://en.wikipedia.org/wiki/Special:BookSources/978-0-252-07062-4).

- Poolman, Kenneth (1972). *Escort Carrier 1941–1945*. London: Ian Allan. [ISBN](/source/ISBN_(identifier)) [0-7110-0273-8](https://en.wikipedia.org/wiki/Special:BookSources/0-7110-0273-8).

- ["Mormacgulf"](http://usmaritimecommission.de/query.php?datalist=1&typeofquery=Name%20of%20Ship&valueofquery=Mormacgulf&code=A0162a). United States Maritime Commission. Retrieved 17 December 2020.

- [Roskill, S. W.](/source/Stephen_Roskill) (1960). *The War at Sea 1939–1945: Volume III: The Offensive Part I: 1st June 1943 – 31st May 1944*. London: Her Majesty's Stationery Office.

- Ruegg, Bob; Hague, Arnold (1993). *Convoys to Russia 1941–1945*. Kendal, UK: World Ship Society. [ISBN](/source/ISBN_(identifier)) [0-905617-66-5](https://en.wikipedia.org/wiki/Special:BookSources/0-905617-66-5).

- Sturtivant, Ray; Ballance, Theo (1994). *The Squadrons of the Fleet Air Arm*. Tonbridge, Kent, UK: Air Britain (Historians) Ltd. [ISBN](/source/ISBN_(identifier)) [0-85130-223-8](https://en.wikipedia.org/wiki/Special:BookSources/0-85130-223-8).

v t e Bogue-class escort carriers United States Navy Bogue Card Copahee Core Nassau Altamaha Barnes Block Island Breton Croatan Prince William Royal Navy Attacker class Attacker Battler Chaser Fencer Hunter Pursuer Ravager Searcher Stalker Striker Tracker Ruler class Ameer Arbiter Atheling Begum Emperor Empress Khedive Nabob Patroller Premier Puncher Queen Rajah Ranee Reaper Ruler Shah Slinger Smiter Speaker Thane Trouncer Trumpeter Preceded by: Long Island class Followed by: Sangamon class List of escort aircraft carriers of the United States Navy List of escort aircraft carriers of the Royal Navy

v t e Type C3-S-A1 ships Altamaha (CVE-6) Barnes (CVE-7) Breton (CVE-10) Altamaha (CVE-18) Baffins Barnes Bastian Block Island Bogue Bolinas Breton Card Carnegie Charger Chatham Copahee Cordova Core Croatan Delgada Edisto Estero Glacier Jamaica Keweenaw McClure Mormacmail Mormacpenn Nassau Niantic Perdido Pybus Prince William Searcher St. Andrews St. Joseph St. Simon Sunset Vermillion Willapa Winjah

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Adapted from the Wikipedia article [HMS Chaser](https://en.wikipedia.org/wiki/HMS_Chaser) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/HMS_Chaser?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.