PERSONAL COIN Defense Secretary Robert M. Gates congratulates and presents his personal coin to a soldier during a celebration marking the 236th birthday of the U.S. Army at the Pentagon, June 14, 2011. The soldier, assigned to the Military District of Washington, was one of several who re-enlisted and received coins from Gates. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 794852-T-FVS37-908.jpg Photo Gallery