0 an officer of very high rank in the navy: --
[ as form of address ] Yes, Rear Admiral.
Commodore is an official flag rank when used during wartime and is equivalent to today's one-star admiral -- rear admiral (lower half).
In 1865, he was commissioned commander, promoted to captain in 1871, to commodore in 1879, and rear admiral in 1884, and retired in 1885.
The standard tour length for most rear admiral positions is three years, but some are set at four or more years by statute.
Vice admiral is a higher rank than rear admiral, but lower than admiral.
The rank associated with this position today is rear admiral, however some of the earlier appointees held a different rank.
Among the new ranks created were those of commodore and rear admiral.
He was posthumously promoted two ranks to rear admiral.
In 1985, the rank of commodore was renamed rear admiral, lower half.
