In July 1866 he became the U.S. Navy's first full admiral
Prior to the Civil War, the highest 
rank reached by a Hispanic-American in ... On July 16, 1862, Flag Officer David 
Glasgow Farragut became the first... [DOC] [TLE] Admiral (United States) - Wikipedia [PAR] Admiral (abbreviated as ADM) is a four-star commissioned naval flag officer rank 
in the United States Navy, the United States Coast Guard and the United States 
Public Health Service Commissioned Corps, with the pay grade of O-10.