ROTOR REPAIR U.S. Marine Corps Lance Cpl. Christopher Horvet, center, conducts maintenance on the rotor of an AH-1Z Super Cobra helicopter aboard the amphibious assault ship USS Essex while under way in the Philippine Sea, Sept. 25, 2010. Horvet is assigned to Marine Attack Squadron 542. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 312330-T-EOD14-689.jpg Photo Gallery