495th Fighter Group welcomes 4th commander Published July 3, 2018 By Tech. Sgt. Amanda Dick 9th Air Force Public Affairs SHAW AIR FORCE BASE, S.C. -- Col. Michael J. Dean, 495th Fighter Group (FG) incoming commander, assumed command of the group June 26. Dean is the fourth commander to lead since the 495th FG was reactivated March 8, 2013.