In July 1866 he became the U.S. Navy's first full admiral
He was the first rear admiral, vice admiral, and 
admiral in the United States .... Before this time, the American Navy had resisted 
the rank of admiral, preferring the term "flag officer", to distinguish the rank from 
the... [DOC] [TLE] Hispanic Admirals in the United States Navy - Wikipedia [PAR] Hispanic Admirals in the United States Navy can trace their tradition of naval 
military service to the Hispanic sailors, who have served in the Navy during every 
war and conflict since the American Revolution.