Lieutenant Colonel (Lieutenant-Colonel in English from the French grade's spelling) is a rank of commissioned officer in the armies and most marine corps and air forces of the world, typically ranking above a Major and below a Colonel. The rank of Lieutenant Colonel is often verbally shortened to simply "Colonel". Lieutenant Colonel ranks by country The following articles deal with the rank of Lieutenant Colonel (or its equivalent) as it's employed in various nations: Lieutenant-Colonel (Canad… (More on Lieutenant-colonel)