Airman Aaron Gischer tightens the fasteners on a panel. U.S. Navy Airman Aaron Gischer tightens the fasteners on a panel as he performs preflight maintenance on an SH-60F Seahawk helicopter on the aircraft carrier USS Abraham Lincoln (CVN 72) in the Pacific Ocean on Aug. 1, 2007. Gischer is attached to Helicopter Anti-Submarine Squadron 2 deployed aboard the Lincoln. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 392608-A-DGL49-076.jpg Photo Gallery