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Air Force Lieutenant Colonel (lt Col) Specification Rank Regular Size | Rank & Insignia | Military | Shop The Exchange
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In first lieutenant colonel board without below-the-zone candidates, promotion rates up for other officers
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A male lieutenant colonel of the US Air Force poses in his uniform with his medals Stock Photo - Alamy
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Aviation and space doctorate helps U.S. Air Force lieutenant colonel's career take off | Oklahoma State University
![File:U.S. Air Force Maj. Gen. Roosevelt Mercer Jr., left, promotes Lt. Col. David D. Kelley to the rank of colonel at the Pentagon in Washington, Nov. 26, 2013 131126-A-GH914-008.jpg - Wikipedia File:U.S. Air Force Maj. Gen. Roosevelt Mercer Jr., left, promotes Lt. Col. David D. Kelley to the rank of colonel at the Pentagon in Washington, Nov. 26, 2013 131126-A-GH914-008.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/4/4c/U.S._Air_Force_Maj._Gen._Roosevelt_Mercer_Jr.%2C_left%2C_promotes_Lt._Col._David_D._Kelley_to_the_rank_of_colonel_at_the_Pentagon_in_Washington%2C_Nov._26%2C_2013_131126-A-GH914-008.jpg)