Air War groups
MCGHEE TYSON AIR NATIONAL GUARD BASE, Tenn. - More than 60 lieutenant colonels studying with the Air War College seminar at the I.G. Brown Training and Education Center here, June 4, 2015, form up outside Patriot Hall for their group photos. The officers were part of the AWC's fourth seminar on campus for the Air National Guard and Air Force Reserve Command, which included one Marine Corps officer in attendance. (U.S. Air National Guard photo by Master Sgt. Mike R. Smith/Released)

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Photo by: Master Sgt. Mike R. SmithReleased |  VIRIN: 150604-Z-SM234-005.JPG