SWEARING IN Navy Adm. James A. Winnefeld Jr. takes the oath of office from Defense Secretary Leon E. Panetta to become the new vice chairman of the Joint Chiefs of Staff at the Pentagon, Aug. 4, 2011. Winnefeld's wife, Mary, holds the Bible. Winnefeld succeeded Marine Corps Gen. James E. Cartwright, who will retire in the coming weeks. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 494976-P-ZHL02-838.jpg Photo Gallery