Maj. Gen. Gerard Caron, 79th Medical Wing commander, passes the 579th Medical Group guidon to Incoming Commander Col. Kathryn Tate during a Change of Command Ceremony on the U.S. Air Force Ceremonial Lawn, July 23, at Joint Base Anacostia-Bolling. Tate assumed command from outgoing commander Col. Roseanne Warner. (U.S. Air Force photos by Senior Airman Steele C. G. Britton