U.S. Navy Adm. Samuel J. Locklear, right front, the commander of U.S. Pacific Command, views a U.S. Marine Corps CH-53E Super Stallion helicopter assigned to the aviation combat element of Marine Rotational Force-Darwin April 16, 2014, while visiting Royal Australian Air Force Base Darwin in Northern Territory, Australia, with his wife, Pamela, and members of his staff. Locklear toured the base and Robertson Barracks and met with Marines assigned to the rotational force.