'NIGHTMARE' MOMENT U.S. Navy sailors from the amphibious assault ship USS Essex push an AV-8B Harrier, assigned to the VMA-513 "Nightmares," onto the ship's aircraft elevator while at sea, April 29, 2008. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 668827-Y-ZZR89-695.jpg Photo Gallery