Staff Sgt. Joel Herrera-Ramos installs a metal roof on the Bel-Air School. U.S. Air Force Staff Sgt. Joel Herrera-Ramos, a structural craftsman with the 555th Red Horse Squadron, from Nellis Air Force Base, Nev., installs a metal roof on the Bel-Air School in Georgetown, Guyana, on July 21, 2009. U.S. airmen are deployed to build the school as part of New Horizons Guyana. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 484988-O-CFS21-407.jpg Photo Gallery