Col. Guillermo Tellez, 99th Medical Group commander, accepts the MDG’s guidon from Col. Barry Cornish, 99th Air Base Wing commander, during the 99th MDG change of command ceremony May 17, 2013, inside the Thunderbird Hangar at Nellis Air Force Base, Nev. The 99th MDG provides medical care to Department of Defense beneficiaries and veterans to ensure maximum wartime readiness and combat capability. (U.S. Air Force photo/Senior Airman Brett Clashman)
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July 2026 Diamondback and Team of the Month Awards
