CSS Teaser ended on 1865-06-02.
CSS Teaser was created in 1862.
CSS Ellis ended in 1862.
CSS David ended in 1865.
CSS Isondiga ended in 1865.
CSS Owl ended in 1865.
That isn't a brain teaser
Despite the doom and gloom surrounding the failure of the Peninsula campaign, the North was not discouraged. The Confederate gunboat the CSS Teaser was captured as it sailed down the James River to launch an observation balloon. The North was trying to make the best of a failed Union assault on Richmond.
CSS Rappahannock ended in 1865-04.
CSS Baltic ended in 1864-07.
CSS Acadia ended in 1919-03.
CSS Columbia ended on 1865-06-15.
CSS Manassas ended on 1862-04-24.