Aquarius S16 CSS Fredericksburg  

History
1863            Laid down in Richmond VA
                    Nov 30, launched
1864            March, commissioned, served as part of James River Squadron
                    May 24, passed below Drewry's Bluff obstructions
                    June 21, fired on US James River Squadron in Trent and Verina Reaches
                    Aug 13, shelled US positions near Dutch Gap
1865            Jan 23 - 24, engagement of the James River Ironclads Virginia II, Richmond and Fredericksburg with USS Onondaga at Trent's Reach
                    April 4, destroyed to prevent capture above drewry's Bluff

Sources
John L. Porters " profile view" in "Confederate Shipbuilding", William N. Still and David meaghers reconstruction in "Capital Navy", John M. Coski