U.S. Navy Fireman Bob Chambers uses a brazing torch. U.S. Navy Fireman Bob Chambers uses a brazing torch to weld a copper-nickel pipe on board the aircraft carrier USS Kitty Hawk (CV 63) as the ship operates in the Pacific Ocean on May 28, 2006. Chambers is a Navy hull maintenance technician. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 790152-B-XQQ18-977.jpg Photo Gallery