Very heavily armed for their size -- 608 feet long with fifteen 6" guns, eight singly mounted 5" dual purpose antiaircraft guns, many antiaircraft guns, and a full complement of floatplanes -- the ships of this class were good sea boats.
They reflected the Navy's doctrine of massive firepower to deal with enemy destroyers, but without torpedo( tub)es to menace heavier classes.
Overall, they served well and without loss, although their heavy complement of shells made them vulnerable to explosion. In the Battle of Cape Esperance off Guadalcanal in Oct42, a Japanese 8" shell hit penetrated Boise's forward magazine and nearly blew up the ship but for seawater let in to quench the flames.
I HAVE DESIGNED A 3-D CARDSTOCK PAPER MODEL SHIP OF THIS SHIP/CLASS.
This is from ONI 222, published in Sep45:
While this is from 1943 and I believe shows the earlier bridge (along with the St. Louis/Helena class variant):
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