Staff Sergeant Martin Ducos, 316th Security Forces Squadron military working dog handler, gives a final salute to Dandy, 316th SFS military working dog explosives detector, at Joint Base Andrews, Monday. Dandy was assigned to Andrews for eight years performing bomb sweeps for president and other distinguished visitors and deployed two times in support of Operation Iraqi Freedom. (U.S. Air Force photo/ Senior Airman Melissa V. Brownstein)