Fireman James Sawyer brazes a pipe. Fireman James Sawyer brazes a pipe from a heat exchanger aboard the aircraft carrier USS Theodore Roosevelt (CVN 71) on Oct. 21, 2006. Sawyer is a U.S. Navy hull maintenance technician aboard the ship. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 329604-U-CNA07-204.jpg Photo Gallery