HYDRO HEAD U.S. Marine Corps Sgt. Brandon Wray takes a breath as he snakes his way through the water toward the beach during hydrographic survey training on Camp Schwab, Okinawa, Japan, April 13, 2009. Wray is a team leader assigned to the 3rd Marine Division's Alpha Company, 3rd Reconnaissance Battalion. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 602766-W-BBR93-605.jpg Photo Gallery