WATCHTOWER WORK From his overwatch tower, U.S. Air Force Staff Sgt. Steven Lugo-Velez sees much of the town surrounding Bagram Airfield, Afghanistan, July 11, 2009. Lugo-Velez, assigned to the 455th Expeditionary Security Forces Squadron, is deployed from Edwards Air Force Base, Calif. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 478771-V-AEK62-309.jpg Photo Gallery