Chief retires after 37 years as Travis Team member Published Dec. 21, 2012 By Master Sgt. Robert Wade 349th Public Affairs TRAVIS AIR FORCE BASE, Calif. -- Maj. Jennifer Griswold, HQ USAF A4, salutes Chief Master Sgt. Greg McGee at his retirement ceremony Dec. 15th here. McGee spent his entire 37 year Air Force career at Travis, with assignments at both the 60th and the 349th Air Mobility Wings.