Major Gen. Gar Graham, 79th Medical Wing commander, passes the guidon to Col. Rudolph Cachuela, 779th Medical Group commander, during the change of commander ceremony on Jan. 22, 2010. Col. Cachuela hails from the Office of the Surgeon General in Arlington, Va. and will be serving as the new 779 MDG commander. (U.S. Air Force photo by Staff Sgt. Renae L. Kleckner)(released)