HALLOWED HALLS Defense Secretary Robert M. Gates walks through the hallways of the University of Georgia after speaking at the Winter Commencement Ceremony held in Athens, Ga., Dec. 18, 2009. During his address, the secretary challenged the graduates to consider the obligations of service, citizenship and patriotism as they move forward into the next chapter of their lives. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 592793-R-SZK12-992.jpg Photo Gallery