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USS Tulagi
USS Tulagi (CVE-72) was a Casablanca-class escort carrier of the United States Navy.
She was laid down on 7 June 1943 at Vancouver, Washington, United States, by the Kaiser Company, Inc., as Fortazela Bay (ACV-72); and redesignated CVE-72 on 15 July 1943. However, her name was corrected to read Fortaleza Bay on 19 October 1943, and the ship was renamed Tulagi on 6 November 1943; launched on 15 November 1943; sponsored by Mrs. James Duke Earner; and commissioned on 21 December 1943, Capt. Joseph Campbell Cronin in command.
Tulagi was a Casablanca-class escort carrier, the most numerous type of aircraft carriers ever built. Built to stem heavy losses during the Battle of the Atlantic, they came into service in late 1943, by which time the U-boat threat was already in retreat. Although some did see service in the Atlantic, the majority were utilized in the Pacific, ferrying aircraft, providing logistics support, and conducting close air support for the island-hopping campaigns. The Casablanca-class carriers were built on the standardized Type S4-S2-BB3 hull, a lengthened variant of the Doyen-class hull, and specifically designed to be mass-produced using welded prefabricated sections. This allowed them to be produced at unprecedented speeds: the final ship of her class, Munda, was delivered to the Navy just 101 days after the laying of her keel.
Tulagi was 512 ft 3 in (156.13 m) long overall (490 ft (150 m) at the waterline), had a beam of 65 ft 2 in (19.86 m), and a draft of 20 ft 9 in (6.32 m). She displaced 8,188 long tons (8,319 t) standard, which increased to 10,902 long tons (11,077 t) with a full load. To carry out flight operations, the ship had a 257 ft (78 m) hangar deck and a 474 ft (144 m) flight deck. Her compact size necessitated the installation of an aircraft catapult at her bow, and there were two aircraft elevators to facilitate movement of aircraft between the flight and hangar deck: one each fore and aft.
She was powered by four Babcock & Wilcox Express D boilers that raised 285 psi (1,970 kPa) of steam at 577 °F (303 °C). The steam generated by these boilers fed two Skinner Unaflow reciprocating steam engines, delivering 9,000 hp (6,700 kW) to two propeller shafts. This allowed her to reach speeds of 19 kn (35 km/h; 22 mph), with a cruising range of 10,240 nmi (18,960 km; 11,780 mi) at 15 kn (28 km/h; 17 mph). For armament, one 5 in (127 mm)/38 caliber dual-purpose gun was mounted on the stern. Additional anti-aircraft defense was provided by eight Bofors 40 mm (1.57 in) anti-aircraft guns in single mounts and twelve Oerlikon 20 mm (0.79 in) cannons mounted around the perimeter of the deck. By 1945, Casablanca-class carriers had been modified to carry twenty Oerlikon cannons and sixteen Bofors guns; the doubling of the latter was accomplished by putting them into twin mounts. Sensors onboard consisted of a SG surface-search radar and a SK air-search radar.
Although Casablanca-class escort carriers were intended to function with a crew of 860 and an embarked squadron of 50 to 56, the exigencies of wartime often necessitated the inflation of the crew count. They were designed to operate with 27 aircraft, but the hangar deck could accommodate much more during transport or training missions.
The new escort carrier got underway from Seattle on 17 January 1944 bound for San Francisco where she was immediately pressed into service ferrying stores, airplanes, and military personnel to Hawaii. She departed Pearl Harbor for the homeward voyage on 29 January and arrived at San Diego with her load of passengers on 4 February. Throughout most of February, she participated in training exercises out of San Diego before steaming, via the Canal Zone, for Hampton Roads, Virginia. Following her arrival at Norfolk on 17 March, Tulagi underwent overhaul and carrier qualification tests.
Tulagi embarked a load of Army Air Forces planes late in May and departed New York on the 28th in convoy with two other carriers and their screen. On 6 June, Tulagi entered her first foreign port as she steamed the swept channel approach to Casablanca. After disembarking her cargo, the carrier took on passengers including a group of 35 prisoners of war and then headed home.
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USS Tulagi
USS Tulagi (CVE-72) was a Casablanca-class escort carrier of the United States Navy.
She was laid down on 7 June 1943 at Vancouver, Washington, United States, by the Kaiser Company, Inc., as Fortazela Bay (ACV-72); and redesignated CVE-72 on 15 July 1943. However, her name was corrected to read Fortaleza Bay on 19 October 1943, and the ship was renamed Tulagi on 6 November 1943; launched on 15 November 1943; sponsored by Mrs. James Duke Earner; and commissioned on 21 December 1943, Capt. Joseph Campbell Cronin in command.
Tulagi was a Casablanca-class escort carrier, the most numerous type of aircraft carriers ever built. Built to stem heavy losses during the Battle of the Atlantic, they came into service in late 1943, by which time the U-boat threat was already in retreat. Although some did see service in the Atlantic, the majority were utilized in the Pacific, ferrying aircraft, providing logistics support, and conducting close air support for the island-hopping campaigns. The Casablanca-class carriers were built on the standardized Type S4-S2-BB3 hull, a lengthened variant of the Doyen-class hull, and specifically designed to be mass-produced using welded prefabricated sections. This allowed them to be produced at unprecedented speeds: the final ship of her class, Munda, was delivered to the Navy just 101 days after the laying of her keel.
Tulagi was 512 ft 3 in (156.13 m) long overall (490 ft (150 m) at the waterline), had a beam of 65 ft 2 in (19.86 m), and a draft of 20 ft 9 in (6.32 m). She displaced 8,188 long tons (8,319 t) standard, which increased to 10,902 long tons (11,077 t) with a full load. To carry out flight operations, the ship had a 257 ft (78 m) hangar deck and a 474 ft (144 m) flight deck. Her compact size necessitated the installation of an aircraft catapult at her bow, and there were two aircraft elevators to facilitate movement of aircraft between the flight and hangar deck: one each fore and aft.
She was powered by four Babcock & Wilcox Express D boilers that raised 285 psi (1,970 kPa) of steam at 577 °F (303 °C). The steam generated by these boilers fed two Skinner Unaflow reciprocating steam engines, delivering 9,000 hp (6,700 kW) to two propeller shafts. This allowed her to reach speeds of 19 kn (35 km/h; 22 mph), with a cruising range of 10,240 nmi (18,960 km; 11,780 mi) at 15 kn (28 km/h; 17 mph). For armament, one 5 in (127 mm)/38 caliber dual-purpose gun was mounted on the stern. Additional anti-aircraft defense was provided by eight Bofors 40 mm (1.57 in) anti-aircraft guns in single mounts and twelve Oerlikon 20 mm (0.79 in) cannons mounted around the perimeter of the deck. By 1945, Casablanca-class carriers had been modified to carry twenty Oerlikon cannons and sixteen Bofors guns; the doubling of the latter was accomplished by putting them into twin mounts. Sensors onboard consisted of a SG surface-search radar and a SK air-search radar.
Although Casablanca-class escort carriers were intended to function with a crew of 860 and an embarked squadron of 50 to 56, the exigencies of wartime often necessitated the inflation of the crew count. They were designed to operate with 27 aircraft, but the hangar deck could accommodate much more during transport or training missions.
The new escort carrier got underway from Seattle on 17 January 1944 bound for San Francisco where she was immediately pressed into service ferrying stores, airplanes, and military personnel to Hawaii. She departed Pearl Harbor for the homeward voyage on 29 January and arrived at San Diego with her load of passengers on 4 February. Throughout most of February, she participated in training exercises out of San Diego before steaming, via the Canal Zone, for Hampton Roads, Virginia. Following her arrival at Norfolk on 17 March, Tulagi underwent overhaul and carrier qualification tests.
Tulagi embarked a load of Army Air Forces planes late in May and departed New York on the 28th in convoy with two other carriers and their screen. On 6 June, Tulagi entered her first foreign port as she steamed the swept channel approach to Casablanca. After disembarking her cargo, the carrier took on passengers including a group of 35 prisoners of war and then headed home.
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