Col. Corey Martin, 60th Air Mobility Wing commander, addresses 60th Medical Group personnel during a change of command ceremony on the north lawn of David Grant USAF Medical Center July 7 at Travis Air Force Base, Calif. Col. Martin served as presiding o
Col. Corey Martin, 60th Air Mobility Wing commander, addresses 60th Medical Group personnel during a change of command ceremony on the north lawn of David Grant USAF Medical Center July 7 at Travis Air Force Base, Calif. Col. Martin served as presiding official as incoming 60th MDG commander Col. (Dr.) Rawson Wood became the 37th medical group commander in the history of Travis Air Force Base. (U.S. Air Force photo / Jim Spellman)