Yamamato never actually said or wrote this statement down. Pure Hollywood but most historians agree that this is how he felt.
[MEDIA=youtube]dn98oqd1E8w[/MEDIA]
said or not - this sleeping giant extracted its revenge
[URL unfurl="true"]https://nationalinterest.org/blog/buzz/killing-yamamoto-how-america-killed-japanese-admiral-who-masterminded-pearl-harbor-attack[/URL]

