what is the rank of admiral in the navy
Admiral of the Navy (United States) The Admiral of the Navy (abbreviated as AN) is the highest possible military rank in the United States Navy. The rank is intended as an "admiralissimo" type position which is senior to the rank of fleet admiral.
Hyman G. Rickover Known as the "Father of the Nuclear Navy," Rickover's profound effects on the Navy and its most powerful warships were of such scope that he "may well go down in history as one of the Navy's most important officers."[1] He served in a flag rank for nearly 30 years (1953 to 1982), ending his career as a four-star admiral. His total of 63 years of active duty service made Rickover the longest-serving naval officer and the longest serving member of the U.S armed forces in history.[2][3][4]
Rear admiral It originated from the days of naval sailing squadrons and can trace its origins to the Royal Navy. Each naval squadron would be assigned an admiral as its head, who would command from the centre vessel and direct the activities of the squadron. The admiral would in turn be assisted by a vice admiral, who commanded the lead ships which would bear the brunt of a naval battle. In the rear of the naval squadron, a third admiral would command the remaining ships and, as this section of the squadron was considered to be in the least danger, the admiral in command of the rear would typically be the most junior of the squadron admirals. This has survived into the modern age, with the rank of rear admiral the most-junior of the admiralty ranks of many navies.
Junior officer In the United States Armed Forces, the term junior officer is used by the Navy and the Coast Guard for officers in the ranks of ensign (O-1), lieutenant, junior grade (O-2), lieutenant (O-3), and lieutenant commander (O-4).