A U.S. Navy plane captain carries chocks to an aircraft. A U.S. Navy plane captain carries chocks to an aircraft on the flight deck aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) while underway in the Persian Gulf on June 20, 2008. The Lincoln is deployed to the U.S. 5th Fleet area of responsibility in support of maritime security operations. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 482478-W-CEI69-820.jpg Photo Gallery