Air Forces Northern Command Chief Master Sergeant Joseph Thornell Sr., discusses the importance of Airman professional development.

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CONR-1AF (AFNORTH & AFSPACE)

Air Forces Northern Command Chief Master Sergeant Joseph Thornell Sr., discusses the importance of Airman professional development. (U.S. Air Force photo by Maj. Steve Burke)

TYNDALL AIR FORCE BASE, Fla. -- Chief Master Sgt. Joseph Thornell Sr., Air Forces Northern command chief, discusses the importance of Airman professional development. (U.S. Air Force photo/Maj. Steve Burke)

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Photo by: Maj. Steve Burke | VIRIN: 100302-F-5395R-002.JPG

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