Photo #: NH 59061 Commander Porter's Mortar Flotilla Line engraving published in Harper's Weekly, 1862, depicting the mortar schooner flotilla commanded by David Dixon Porter during the April 1862 attack on the forts below New Orleans. Vessels shown are (from left to right): Westfield, Adolph Hugel, Para, William Bacon, Oliver H. Lee, C.P. Williams, Henry Janes, George Mangham, Racer, Horace Beals, Sarah Bruen, Samuel Rotan, John Griffith, Rachel Seaman, Maria J. Carlton, Sidney C. Jones, T.A. Ward, Sea Foam, Maria A. Wood, Octorara (Porter's flagship) and Matthew Vassar. U.S. Naval History and Heritage Command Photograph.