STORY TIME U.S. Army Chief of Staff Gen. George W. Casey Jr. chats with children at Forest Glen Annex Child Development Center on Fort Detrick, Md., after reading them the book "Sam the Army Dog," June 17, 2009. Casey's visit was part of an ongoing celebration of the Army's 234th birthday. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 866569-W-IVG43-557.jpg Photo Gallery