FOUR-STAR GENERAL Defense Secretary Robert M. Gates shakes hands with newly promoted Army Gen. Ann E. Dunwoody, at her promotion ceremony in the Pentagon, Washington, D.C., Nov. 14, 2008. Dunwoody is the first woman to reach the rank of four-star general in the history of the United States military. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 302261-N-SKS19-712.jpg Photo Gallery