PREFLIGHT CHECK U.S. Navy Petty Officer 2nd Class Michael McKnight performs a preflight check on a double rescue hook aboard a HH-60H Seahawk helicopter from Helicopter Antisubmarine Squadron prior to the start of flight operations aboard USS Kitty Hawk, Nov. 14, 2006. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 321503-N-YIH89-787.jpg Photo Gallery