Commander (Royal Navy)

Commander
Commander;
	A Royal Navy commander's rank insignia
Country	United Kingdom
Service branch	Royal Navy;
Abbreviation	Cdr
NATO rank code	OF-4
Next higher rank	Captain
Next lower rank	Lieutenant commander
Equivalent ranks	Lieutenant colonel (Army; Royal Marines); Wing commander (RAF);

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.