When addressing an invitation to a two-star admiral in the Navy and his wife, use the following format: "Admiral and Mrs. [Last Name]." If you wish to be more formal, you can also include "United States Navy" in the address. For example: "Admiral [First Name] [Last Name], United States Navy, and Mrs. [Last Name]."
A one star Admiral is actually called a Commodore. During peace time there are no commodores. The Navy goes from Captain to Rear Admiral with two stars.
A Vice Admiral outranks a Rear Admiral. An Admiral is the highest peace time rank. Fleet Admiral is the highest during war.
George Dewey.
Militarily, the Commanding Officer of the Navy is the Chief of Naval Operations, a 4 star Admiral. He reports to the Secretary of the Navy, who is a DoD civilian; he in turn reports to the Secretary of Defense.
The top ranking officer in the U.S. Navy is the Chief of Naval Operations, a 4-star Admiral.
Nimitz
Army, Air Force and Marine Corps: One-star general: Brigadier GeneralTwo-star general: Major GeneralThree-star general: Lieutenant GeneralFour-star general: General Navy: One-star admiral: Rear Admiral (Lower Half)Two-star admiral: Rear Admiral (Upper Half)Three-star admiral: Vice AdmiralFour-star admiral: Admiral Rear Admiral (Lower Half) used to be called Commodore. They got rid of this rank because too many higher-ranking commanders would reject Commodores assigned to their commands with the phrase "send me a real admiral." So now they're real admirals. The Army and Air Force also have a five-star general rank--the Army calls theirs General of the Army, the Air Force calls theirs General of the Air Force. The five-star rank in the Navy is Fleet Admiral. The Marine Corps' rank structure has no five-star rank. Nine men have worn the five-star rank: Generals of the Army
For info The Philippine Navy top honcho is not address as Commanding General instead he was called as Flag Officer in Command (FOIC), other senior ranks are terms as flag ranks like one star and two star rnks, current FOIC of PN is Vice Admiral Golez AFP.
king...................Actually the first Full Admiral (a 4-star rank) is Admiral David Farragut, 25 July 1866. Ernest King was the 55th Admiral when he became a full admiral.King was also not the first 5-star Admiral either, but the third 5-star Admiral:George Dewey - March 2, 1899 (also the only Admiral to reach 6-Star Admiral of the Navy, on March 24, 1903, retroactive; but only temprarily until a reversion to being the senior 5-star)William D. Leahy - December 15, 1944,Ernest J. King December 17, 1944,Chester W. Nimitz - December 19, 1944,William F. "Bull" Halsey - December 11, 1945.
Gary Roughead, he is the current Chief of Naval Operations. His rank is that of a 4 star admiral which is the highest rank that can be given during peace time.
No, He was an Admiral of the Fleet (the highest rank possible) in the Royal Navy.
Admiral Rickover (4-star) - Father of the Nuclear Navy with 63 years active duty.