A U.S. Navy aircraft director signals to a tractor driver. A U.S. Navy aircraft director signals to a tractor driver during flight operations aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) while underway in the Persian Gulf on May 13, 2008. The Lincoln is deployed to the U.S. Navy 5th Fleet area of responsibility to support maritime security operations. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 228397-D-WBW40-275.jpg Photo Gallery