What is Lieutenant commander?
[[File:British Royal Navy OF-3.svg|thumb|right|40px|A Royal Navy lieutenant commander's rank insignia]] '''Lieutenant commander''' is an [[officer]] [[rank]] in several [[navy|navies]]. In the [[Royal Navy]], It is junior to [[commander]] and senior to the [[Navy|naval]] rank of [[lieutenant]]. Royal Navy ranks are matched up with [[Royal Air Force]] ranks. In this case the equivalent rank would be a [[squadron leader]]. Lieutenant commander (LCDR) is a mid-ranking officer in the [[United States Navy]], the [[United States Coast Guard]], and several other public uniformed services. In the [[Royal Canadian Navy]], the rank of lieutenant commander (LCdr) (French: capitaine de corvette or capc) is the naval rank equal to [[major]] in the army or air force. It is the first rank of senior officer. This rank would be usual for a [[commander]] of a minor warship, or an executive officer in a larger ship. [[Category:Military ranks]]