SHARING A LAUGH U.S. Navy Senior Chief Builder E. Dan Walker, senior enlisted leader of U.S. Naval Mobile Construction Battalion 1, Guam Detachment, shares a laugh with students of the Chief Brodie Memorial Elementary School in Guam, Oct. 26, 2007. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 773185-E-MTR92-456.jpg Photo Gallery