Tech. Sgt. Arren Sennet bends rebar to ensure it remains straight. U.S. Air Force Tech. Sgt. Arren Sennet, a structural craftsman with the 555th Red Horse Squadron, Nellis Air Force Base, Nev., bends rebar to ensure it remains straight while working on the wall of the new Bel Air School in Georgetown, Guyana, on July 7, 2009. Airmen from the 555th Red Horse Squadron and the 910th Civil Engineers Squadron, Youngstown Air Reserve Station, Ohio, are deployed to build the school. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 791841-R-UWX78-338.jpg Photo Gallery