Japanese aircraft carrier Hōshō
Ship
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Hōshō was the world's first commissioned ship that was built as an aircraft carrier, and the first aircraft carrier of the Imperial Japanese Navy. Wikipedia
Construction started: December 16, 1920
Launched: November 13, 1921
Length: 552′
Commissioned: 27 December 1922
Fate: Scrapped beginning 2 September 1946
In service: 1922–1946
Laid down: 16 December 1920