RAISING AWARENESS Herschel Walker, Dallas Cowboy legend and 1982 Heisman Trophy winner, opens the Army Suicide Prevention Month Health Fair in the Pentagon courtyard, Sept. 12, 2012, by penning autographs on posters, photos, magazines and replica helmets. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 148082-H-LKB54-561.jpg Photo Gallery