EN ROUTE TO SHRIVENHAM U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and British Gen. Nickolas Houghton, chief of Britain's defense staff, walk onto an aircraft en route to speak to students at the Defense Academy of the United Kingdom in Shrivenham, England, June 11, 2014. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 299231-W-SVD94-698.jpg Photo Gallery