Attica, Indiana native CHIEF Engineer, PETTY Officer First Class (PO1), Gregory Estes, assigned to Landing Craft Utility 1617 (LCU 1617), based at Navy Amphibious Base Coronado (NABC), San Diego, California, coordinates the safe loading of the 95th Chemical Company, Special Troops Battalion (STB), from Fort Richardson, Alaska and their vehicles, in support of exercise Northern Edge 2002