Anyway, you're right, though this feature is one of the hardest to actually spot on these ships, due to the qualities of the preserved imagery.
However, I was not disagree with the feature or how it looks like, I'm going to propose a different way to illustrate it, that's all, and, I am reworking the old drawings, so please don't refer to those right now.
As for my remark about their designation, I'm always aware that what I may know, some others may not, and I rightly suspected you'd know - but then you're a specialist on the USN WW2 vessels!