FIELD VIDEO U.S. Air Force Tech. Sgt. Mike Vaughn and Army Capt. Sarah Williams, Joint Task Force-Bravo civil engineers, set up a field video teleconferencing unit at an abandoned coffee factory, May 5, 2008, at Comalapa Air Base, El Salvador, during Fuerzas Aliadas Humanitarias 2008, a regional disaster relief exercise being conducted through May 15. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 003181-E-UYK10-072.jpg Photo Gallery