A commissioned officer in the British Army or Royal Marines or the United States Army, United States Marine Corps, or United States Air Force, ranked above a major general and below a general.

plural of lieutenant commander

plural of sub-lieutenant

An army officer in many countries, ranking below a colonel and above a major. Often the commander of a battalion or the executive officer of a regiment.

(military) The second lowest rank of a commissioned officer in the United States Army, Air Force, or Marine Corps, ranking above a second lieutenant and below a captain. The rank of first lieutenant is equivalent to the naval rank of lieutenant junior grade.

plural of Lieutenant General

plural of Lieutenant General

A rank in the RAF, between that of flying officer and squadron leader, of a person in charge of a flight of aircraft, equivalent to a Royal Navy lieutenant or an Army captain

plural of second lieutenant

plural of lieutenant governor