Statistics for occurrence #1 of “United States” in chapter 39 of Admiral David D. Porter, The Naval History of the Civil War.:
...ur more at the Navy Yards available for service after undergoing extensive repairs.
Up to the end of 1863 the Navy Department had exhibited great energy, and, for the first time in its history, the United States had a Navy commensurate with its importance as a maritime power.
The following table exhibits the progress made in increasing the Navy since December, 1862, and shows what the country was capable...
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