Army Gen. Keith B. Alexander, commander of the U.S. Cyber Command, director of the National Security Agency, and chief of the Central Security Service, introduces Deputy Defense Secretary Ashton B. Carter to attendees of the Senior Conference XLIX at the U.S. Military Academy at West Point, N.Y., June 4, 2012. Army Gen. Keith B. Alexander, commander of the U.S. Cyber Command, director of the National Security Agency, and chief of the Central Security Service, introduces Deputy Defense Secretary Ashton B. Carter to attendees of the Senior Conference XLIX at the U.S. Military Academy at West Point, N.Y., June 4, 2012. SHARE: Download: Full Size (2.53 MB) Tags: Photo Essays Credit: VIRIN: 315316-E-BAA46-434.jpg Photo Gallery