VANCE AIR FORCE BASE, Okla. -- Col. David Chiesa, the 71st Medical Group commander, hands the 71st Medical Support Squadron guidon to Lt. Col. Elijio Venegas during an assumption-of-command ceremony Aug. 1 at the Armed Forces Reserves Center. Venegas joins Team Vance after a tour as the deputy chief Pacific Air Forces Medical Readiness Division at Joint Base Hickam, Hawaii. (U.S. Air Force photo/Staff Sgt. Nancy Falcon)