abstract
| - Lieutenant Junior Grade Tetsuzō Iwamoto (岩本 徹三, Iwamoto Tetsuzō) (15 June 1916- 20 May 1955) was one of the top scoring aces among Imperial Japanese Navy Air Force (IJNAF) fighter pilots. He entered the Imperial Navy in 1934 and completed pilot training in December 1936. His first combat occurred over China in early 1938. He emerged as the top naval ace of the campaign, credited with 14 aerial victories. Subsequently he flew Zeros from the aircraft carrier Zuikaku from December 1941 to May 1942, including at the Battle of the Coral Sea. In late 1943, Iwamoto's air group was sent to Rabaul, New Britain, resulting in three months of the hardest air combat ever for the Imperial Japanese Navy Air Force against air raids of U.S. and Allied air units. Subsequent assignments were Truk Atoll in the Carolines and the Philippines, being commissioned an ensign in October 1944. Following evacuation of the Philippines, Iwamoto served in home defense and trained kamikaze pilots. Like many Japanese veterans, Iwamoto was reported to have fallen into depression after the war. His diary was found after his death, with claims of 202 Allied aircraft destroyed. As a result of the Japanese use of the British naval system, the IJNAF scoring system was based on the standard the Royal Navy, the Royal Air Force (RAF) adopted since World War I till World War II, different from the scoring system defined by U.S. Navy Air Force and U.S. Marine Air Force during World War II. Dr. Izawa and Professor Hata tried to reckon the figure at about 80 or more than 87 in their research work in Jan. 1971, Dr. Izawa wrote that Iwamoto was virtually the top ace of IJNAF, in Dec. 1993. As of mid-1944, there remained only two IJNAF fighter pilots who were credited with over 100 victories. Depending on various totals cited, Tetsuzō Iwamoto or Hiroyoshi Nishizawa was Japan's best ace. Iwamoto was known as the Chūtai leader (Flying Company, Squadron of 8 to 16 fighters). Iwamoto was the few survived successors of the IJNAF airman's heritage, who flew over the Indian and the Pacific Ocean from north to south, showed his skilled fights against the Allied units and trained his young junior pilots even in the last months of the war.
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