IV.1 (Class C)
NC014, IV.1 (Class C), December 7-27, 1864
NC015 , IV.1 (Class A) , January 13-15, 1865
The site has been declared national historic landmark and is now part of Fort Fisher State Recreation Area which features the North Carolina Aquarium at Fort Fisher, the Fort Fisher State Historic Site museum and a visitor center. Undersea archaeology is also practiced around the site.
Source: Wikipedia: Fort Fisher