Correction: the only battlecruiser the USN ordered was the Lexington class. We never actually got around to commissioning any proper battlecruisers ever.
Alaska class is also battlecruisers right?
Nope,
Alaska,
Guam and the unfinished
Hawaii were large cruisers, hence the CB designation, not a BC designation.
That really is a question of semantics. It all depends on how you define a battlecruiser, which is rather tricky, since Fisher never bothered to do it.
On one hand, Alaska isn't a BC, since its armament is too small, but on the other hand, it was build to do what battlecruisers where originally built to do, that is hunt down and kill enemy cruisers, but run like hell if a BB comes along.
Yes, I know they were rarely employed by that, but it's the closest you'll ever come to a true definition of a BC.
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