Awhile back, the good folks at HMdb did a look at the historical marker on a naval battle on November 7, 1861, probably the largest naval attack during the Civil War up until that time, the Battle of Port Royal, SC.
It involved 18 Union warships and 55 supporting craft led by Admiral DuPont bombarding Confederate Forts Walker and Beauregard for four and a half hours.
Thirteen troops under the command of Union General Thomas W. Sherman landed on the beach.
The Drayton brothers ended up on opposite sides of this fight. Commander Percival Drayton's USS Pocahontas attacked Fort Walker which was commanded by his brother General Thomas Drayton.
Brother Vs. Brother, Indeed. --B-R'er