Lieutenant colonel (UK: /lɛfˈtɛnənt ˈkɜːrnəl/ lef-TEN-ənt KUR-nəl, US: /luːˈtɛn-/ loo-TEN-) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel.
Several police forces in the United States use the rank of lieutenant colonel.
Sometimes, the term 'half-colonel' is used in casual conversation in the British Army.
[citation needed] A lieutenant colonel is typically in charge of a battalion or regiment in the army.
The following articles deal with the rank of lieutenant colonel: