RENEWING A PROMISE Army Chief of Staff Gen. Martin E. Dempsey administers the oath as soldiers re-enlist during a celebration marking the 236th birthday of the U.S. Army at the Pentagon, June 14, 2011. The soldiers are assigned to the Military District of Washington. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 039632-G-ASY43-349.jpg Photo Gallery