Who is the only person in United States naval history to achieve the rank of Admiral of the Navy?
Answer George Dewey
George Dewey was promoted to Admiral of the Navy in 1903 (retroactively dated to 1899) and is the only person in United States history to achieve that rank. His rich naval legacy includes service in the Civil War and the Spanish-American War.
Asked by Beth Meberg · Last updated 5 years ago · 5.2K views · SOURCE