Akagi (aircraft carrier)

Akagi (aircraft carrier). The aircraft carrier *Akagi* was the flagship of the Imperial Japanese Navy's First Air Fleet and a pivotal vessel during the early Pacific War. Originally laid down as an Amagi-class battlecruiser under the Eight-eight fleet plan, she was converted into an aircraft carrier following the Washington Naval Treaty. *Akagi* played a central role in the attack on Pearl Harbor and the early Japanese offensives before being sunk at the Battle of Midway in June 1942.

Design and construction

The vessel was initially ordered in 1920 as part of the ambitious Eight-eight fleet program, designed as a fast Amagi-class battlecruiser to counter new American and British capital ships. Her construction began at the Kure Naval Arsenal in December 1920. However, the signing of the Washington Naval Treaty in 1922 halted battlecruiser construction, leading the Imperial Japanese Navy to choose her and the incomplete *Amagi* for conversion into aircraft carriers. After *Amagi*'s hull was damaged in the 1923 Great Kantō earthquake, *Akagi* was redesigned alone, incorporating a unique three-flight-deck arrangement and a port-side island structure. She was launched in April 1925 and commissioned into service in March 1927, emerging as one of the world's largest and most innovative carriers of her time.

Service history

Following commissioning, *Akagi* served as a testbed for Japanese naval aviation doctrine throughout the late 1920s and 1930s. In 1936, she entered Sasebo Naval Arsenal for a major reconstruction that modernized her into a full-deck carrier, improving her aircraft capacity and anti-aircraft armament. At the outbreak of the Pacific War, as the flagship of Vice Admiral Chūichi Nagumo's First Air Fleet, she led the Kido Butai in the attack on Pearl Harbor in December 1941. *Akagi*'s air group subsequently supported the invasion of Rabaul and the Dutch East Indies campaign, and participated in the devastating Indian Ocean raid against British Eastern Fleet forces at Colombo and Trincomalee in April 1942.

Aircraft complement and air group

At the start of the war, *Akagi* typically carried an air group of about 91 aircraft, organized into a balanced mix of fighters, dive bombers, and torpedo bombers. Her core squadrons were equipped with the iconic Mitsubishi A6M Zero fighter, the Aichi D3A "Val" dive bomber, and the Nakajima B5N "Kate" torpedo bomber. These aircraft were operated by some of the most experienced aviators in the Imperial Japanese Navy Air Service, including famed pilots like Mitsuo Fuchida, who led the first wave at Pearl Harbor. The carrier's air group was a key instrument in achieving Japanese air superiority during the early war campaigns.

Fate and wreck

During the Battle of Midway on 4 June 1942, *Akagi*, while preparing to launch a strike against American carriers, was hit by a single bomb from a Douglas SBD Dauntless from USS Enterprise (CV-6). The bomb ignited fueled and armed aircraft in the hangar, creating an uncontrollable fire. Despite damage control efforts, the order to abandon ship was given, and she was scuttled by torpedoes from Japanese destroyers, including the *Arashi*, on 5 June. Her wreck was located in October 2019 by the research vessel RV Petrel, resting upright in over 5,000 meters of water near the Northwestern Hawaiian Islands.

Legacy

The loss of *Akagi* and three other fleet carriers at Midway marked a decisive turning point in the Pacific War, crippling Japan's strategic offensive capability. The carrier is memorialized in numerous historical works, such as the film *Midway* and the anime Space Battleship Yamato. She remains a potent symbol of the rise and fall of Japanese naval air power, and her wreck is a protected war grave under international maritime law. Studies of the battle and *Akagi*'s design continue to inform naval historical scholarship and modern carrier operations.

Category:Aircraft carriers of the Imperial Japanese Navy Category:Ships sunk in the Battle of Midway Category:Ships built at Kure Naval Arsenal