Senior Airman Gabriell Vieira, 11th Security Forces Squadron elite guardsman and Andrews Emergency Services Team member, takes control of his sector of responsibility during an anti-hijacking exercise conducted Nov. 9, 2012, at the Joint Training Facility at Baltimore Washington International Airport, Md. The exercise was a joint effort between the Andrews Emergency Services Team and the Raven team where they practiced tubular assaults during a mock hijacking scenario. (U.S. Air Force photo/ Senior Airman Bahja J. Jones)