Thousands of Navy and Marine Corps supporters attend the commissioning ceremony of the San Antonio class, amphibious transport dock 'USS Somerset', named to honour those who sacrificed their lives when the hijacked United Airlines Flight 93 was brought to the ground on Sept. 11, 2001 in a field in Somerset County. Distinguished guests included the Chief of Naval Operations (CNO), Adm. Jonathan Greenert and the Honorable Pat Toomey - United States Senator, Commonwealth of Pennsylvania. The Commandant of the Marine Corps, Gen. James F.