horizontal bombers 4th Attack Unit
Carrier: Hiryu
First Wave, First Group, Commander: Lieutenant Commander Tadashi Kusumi
First Division; Commander: Lieutenant Commander Tadashi Kusumi
5 Kates. Mission: Arizona and Vestal
Second Division; Commander: Lieutenant Toshio Hashimoto
5 Kates. Mission: California
See also: Hiryu; Arizona; Vestal; California