WELDED SHUT U.S. Navy Petty Officer 3rd Class William Sittig welds a stuffing tube cover March 10, 2008, aboard the nuclear-powered aircraft carrier USS Nimitz, operating as part of the U.S. 7th Fleet in the Western Pacific and Indian oceans. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 039902-T-FVP65-924.jpg Photo Gallery