I think it was a Bruce Catton excerpt I posted a few days ago where he said that Fort Henry showed what the gunboats could do and Fort Donelson showed what they could not do.
If it wasn’t Canton, it must have been Foote. He could be acerbic when he wished.
I compiled a lengthy research paper about Monitor class warships. They were quite innovative in many ways. John Erickson was a bit of a brain child. The flaws in those designs were also impressive.