DEBRIS WALKDOWN U.S. Navy flight deck personnel aboard the aircraft carrier USS Ronald Reagan participate in a debris walkdown between flight cycles in the Pacific Ocean, Oct. 30, 2010. Sailors perform walkdowns before and after flight operations to ensure the flight deck is clear of anything with the potential to cause damage. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 583059-Z-HEN43-310.jpg Photo Gallery