KEEPING WATCH U.S. Marine Corps Lance Cpl. Corey Chiappazzi, a native of Erie, Pa., scans the horizon over the sites of his M240G medium machine gun on the flight deck of the USS Iwo Jima as it sails through the Suez Canal on its way to the Central Command theater of operation, Aug. 20, 2006. SHARE: Download: Full Size (0.1 MB) Credit: VIRIN: 651767-K-JFO99-061.jpg Photo Gallery