CIRCUIT CARD CHECKED U.S. Navy Petty Officer 3rd Class Michael J. Isenmann performs a voltage check on a power circuit card in the air navigation equipment room aboard the aircraft carrier USS Abraham Lincoln, North Arabian Sea, Aug. 20, 2008. The USS Lincoln is deployed to the U.S. 5th Fleet area of responsibility supporting Operations Iraqi Freedom and Enduring Freedom as well as maritime security. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 317332-A-MVP23-023.jpg Photo Gallery