ONBOARD THE ESSEX Aviation personnel perform maintenance on the engines of an AV-8B Harrier on board amphibious assault ship USS Essex in the Pacific Ocean, Feb. 26, 2007. Essex is the Navy's only forward deployed multi-purpose amphibious assault ship and is the flagship for the Essex Amphibious Readiness Group operating from Sasebo, Japan. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 552677-E-LIS76-305.jpg Photo Gallery