HMS Indomitable was a modified Illustrious-class aircraft carrier constructed for the Royal Navy during World War II. She was laid down by Vickers-Armstrong at Barrow-in-Furness on 10 November 1937, launched on 26 March 1940, and commissioned in October 1941. The ship featured significant design modifications compared to her sister ships, including an enlarged flight deck raised by 14 feet (4.3 meters) to accommodate 48 aircraft instead of the original 36. To support this increased airwing, a second hangar was added above the original, with the lower hangar being shorter to allow space for workshops and accommodations. The armor of the hangar sides was reduced to compensate for the structural changes. Indomitable's service history was marked by active participation in key WWII operations. Her maiden voyage took her to the West Indies in November 1941, during which she ran aground on a coral reef near Jamaica but soon returned to service. She missed the chance to support Force Z in Southeast Asia, which was sunk in December 1941. Subsequently, she joined the Eastern Fleet at Ceylon, ferrying Hurricanes to reinforce Singapore’s defenses in early 1942. Following the fall of Singapore and other Far Eastern colonies, she became a vital asset in the reorganized Eastern Fleet, engaging in operations such as the Indian Ocean raid and the invasion of Madagascar. During Operation Ironclad in May 1942, she participated actively, attacking airfields and supporting ground forces, while also surviving an attack from a French submarine. In 1942, Indomitable contributed to the Malta convoy effort, enduring bomb hits from German Ju 87s that caused damage but allowed her to remain operational. She was torpedoed in support of the Sicily invasion (Operation Husky) in July 1943 and subsequently repaired in the US. She returned to active service, participating in attacks on Sumatra and the Nicobar Islands, and later joined the British Pacific Fleet, taking part in operations against Japanese-held territories in early 1945. Indomitable was hit by a kamikaze attack in May 1945 but was protected by her armored flight deck. Post-war, she carried the Great Britain rugby league team to Australia and was placed in reserve in 1947, undergoing a lengthy refit until 1950. Replacing HMS Vanguard as the Home Fleet flagship in 1951, she was involved in ceremonial duties, including the 1953 Coronation Fleet Review. Her modernization was limited due to structural constraints and cost considerations. She was damaged by a fire in 1953, and ultimately, she was sold for scrap, arriving at Faslane for dismantling on 30 September 1955. HMS Indomitable remains a notable example of wartime innovation and post-war naval adaptation.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.