Depending on the particular rank of Rear Admiral (Rear Admiral or Rear Admiral(lower half) the abbreviations are: Rear Admiral - RADM (O-8) Rear Admiral(lower half) - RDML (O-7) RDML is similar to a Lieutenant (Junior Grade) in that it is the lowest and most junior of the Admiral ranks.
To address a Rear Admiral in letter form it's 'Admiral.'
rear admiral = 6bells
No, a US Navy vice admiral does not outrank a rear admiral. A rear admiral is a two-star rank, while a vice admiral is a three-star rank. Therefore, a vice admiral outranks a rear admiral.
Rear-Admiral Lepotier has written: 'Raiders from the sea'
No. A Rear Admiral is a one or two stars officer, while an Admiral is a four-star officer. The Admirals rank is as follows: 1 star: Rear Admiral (lower half) 2 star: Rear Admiral (upper half) 3 star: Vice Admiral 4 star: Admiral Where 4 star is the highest, equivalent to an Army or Air Force General.
A commodore admiral is a flag officer of a rank between captain and rear admiral.
Rear Admiral Robley D. Evans and Rear Admiral Charles S. Sperry
Admiral Vice Admiral Rear Admiral (Upper Half) Rear Admiral (Lower Half) Captain Commander Lieutenant Commander Lieutenant Lieutenant junior grade(jg) Ensign
Admiral is a higher rank than Captain. A Captain would be promoted to Rear Admiral. Then it is Vice Admiral, Admiral and Fleet Admiral.
There are several types of vice admirals and you would address them as such. For example you would address a rear vice admiral in a letter as Dear Rear Admiral.
Vice Admirals and Rear Admirals are addressed as "Admiral".