-To sustain and strengthen its blockade of Southern ports, the U.S. Navy needed to have a coaling, refitting, and supply station located somewhere on the southeast coast. The place that held it all was at Port Royal, SC., located in the critical area between Charleston and Savannah.
In late October 1861, Flag Officer Samuel F. Du Pont assembled a fleet of 75 warships, with 12,000 troops in transport. Their objective was Port Royal Sound, that was guarded on either side of the harbor entrance.
-Confederates fought on through the morning and into the afternoon. But with their ammunition supply almost gone and all exhausted, they were forced to flee their forts and the Union won