Commander (Royal Navy)

Commander
A Royal Navy commander's rank insignia
Country United Kingdom
Service branch
AbbreviationCdr
NATO rank codeOF-4
Next higher rankCaptain
Next lower rankLieutenant commander
Equivalent ranks

Commander (Cdr) is a senior officer rank of the Royal Navy of the United Kingdom. It is immediately junior to captain and immediately senior to the rank of lieutenant commander. Officers holding the junior rank of lieutenant commander are not considered to be commanders.