The Steam Ship Vixen and the Steam Ship Spitfire were bought from the Mexican Navy in 1846
They were Light Draft Steam Ships
Sketch of USS Steamer Vixen - Alfred Wauld
Naval History and Heritage Command.Spitfire IV (SwGbt), Published: Tue Sep 15 14:56:57 EDT 2015, URI:https://www.history.navy.mil/content/history/nhhc/research/histories/ship-histories/danfs/s/spitfire-iv.html .
Wauld,Alfred. Sketch of the USS Steamer Vixen, 1860 - 1865, URI: https://upload.wikimedia.org/wikipedia/commons/c/c5/USS_Vixen_%281846%29_-_Vixen_Curlew_Pocahontas_%28cropped%29.jpg .
_Vixen_Steamer.jpg?width=450&height=278&crop=fill)