Senior Master Sgt. Neco Johnson, 2nd Munitions Squadron first sergeant, poses for a portrait at Barksdale Air Force Base, Louisiana, August 5, 2019. Johnson has been a first sergeant for more than three years serving at units such as the 2nd MUNS, 2nd Maintenance Group Staff, 2nd Civil Engineer Squadron and 2nd Aircraft Maintenance Squadron. (U.S. Air Force photo by Senior Airman Tessa B. Corrick)