66 SFS Change of Command
HANSCOM AFB, Mass. -- Col. Robert Boyles (left), 66th Mission Support Group commander, passes the 66th Security Forces Squadron flag to Maj. Christopher Echols during the squadron's change of command ceremony Aug. 27, in front of the Security Forces Building. Major Echols replaced Maj. Tamara Mayer. (U.S. Air Force photo by Rick Berry)