Master Sgt. Aretha Boston, command staff superintendent of the 11th Medical Group here, poses for a portrait Oct. 24, 2018 on Joint Base Andrews, Md. Boston recently completed the Marine Corps Staff NCO Academy Advance Course, where she was nominated as class leader and awarded the class Gunnery Sergeant Award, the Honor Graduate Award and the Distinguished Graduate Award. (U.S. Air Force photo by Airman Noah Sudolcan)