Washington, District of Columbia. Brazilian Steam Frigate at Navy Yard. Yards Manned on the Occasion of the President's Visit (U.S. Civil War) This image, dated during the U.S. Civil War, depicts a Brazilian steam frigate anchored at the Washington Navy Yard in District of Columbia. The visit of the president is indicated as the occasion for the manning of the yards, suggesting an official or ceremonial purpose. The presence of a foreign warship in U.S. waters during this turbulent period could imply diplomatic relations or strategic alliances, although further research is needed to confirm these speculations.