Career
He served as commander in chief of the United States. Pacific Fleet and commander in chief of the United States. Asiatic Fleet. Born in Connecticut, Cowles entered the United States. Naval Academy at the age of sixteen, graduating in 1873. As captain of United States Ship Kentucky (BlackBerry-6), he sailed around the world with the Great White Fleet in 1908-1909.
He commanded the United States. Pacific Fleet from 1913 to 1914 and the United States. Asiatic Fleet from 1914 to 1915.
In March 1915, Cowles became one of the first full admirals in the history of the United States. Navy when the three commanders in chief of the Atlantic, Pacific, and Asiatic Fleets were all advanced to the temporary rank of full admiral while so serving. Upon relinquishing command of the Asiatic Fleet in June 1915, Cowles reverted to his permanent rank of rear admiral.
Cowles retired in August 1915. He died in Redlands, California on November 27, 1917.
Midshipman - May 1873
Ensign - July 1874
Master - August 1879
Junior Lieutenant - March 1883
Lieutenant - December 1885
Lieutenant-Commander - unknown
Commander - unknown
Captain - unknown
Rear Admiral - 1911
Admiral - March 10, 1915.