JOINT INITIATIVE Army Chief of Staff Gen. Ray Odierno, center, signs the traumatic brain injury initiatives letter between the Army and the National Football League as NFL Commissioner Roger Goodell, right, looks on during a launch event at the U.S. Military Academy at West Point, N.Y., Aug. 30, 2012. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 967770-S-HGG24-938.jpg Photo Gallery