USS Wilderness was a wooden-hulled, side-wheel steamship in the United States Navy during the American Civil War. After the war, she served as a revenue cutter. In 1873, she was renamed John A. Dix for former Secretary of the Treasury John Adams Dix.

USS Niphon was a steam operated vessel acquired by the Union Navy during the American Civil War. She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries.