Mrs. Angela Hull, a watch supervisor at MacDill Air Force Base’s air traffic control tower, watches over controllers as they communicate with inbound and outbound aircraft at MacDill Air Force Base, Fla., March 1, 2016. Hull, a retired 21-year senior master sergeant, continues to serve today sharing the knowledge and experience she gained from her long career. (U.S. Air Force photo by Senior Airman Ned T. Johnston)

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Mrs. Angela Hull, a watch supervisor at MacDill Air Force Base’s air traffic control tower, watches over controllers as they communicate with inbound and outbound aircraft at MacDill Air Force Base, Fla., March 1, 2016. Hull, a retired 21-year senior master sergeant, continues to serve today sharing the knowledge and experience she gained from her long career. (U.S. Air Force photo by Senior Airman Ned T. Johnston) Stock Photo
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Mrs. Angela Hull, a watch supervisor at MacDill Air Force Base’s air traffic control tower, watches over controllers as they communicate with inbound and outbound aircraft at MacDill Air Force Base, Fla., March 1, 2016. Hull, a retired 21-year senior master sergeant, continues to serve today sharing the knowledge and experience she gained from her long career. (U.S. Air Force photo by Senior Airman Ned T. Johnston)
AB Forces News Collection / Alamy Stock Photo
Image ID: PAEJM5