they updated a chip at nag saki, japan. the u.s. said he is an amphibious assault vessel and for a new and controversial aircraft. we go on board. it's 250 meters long and can carry 1,000 crew members and an additional 1900 marines. u.s. navy personnel on monday merged a rival of the u.s. in japan. >> thank you, kosovo city and japanese definitely was force. >> navy spokes people said upgrades to the vessel made it the most capable ship of its class. the uss has been on water since the late 1990s. they rely on the iraq war. they can use the vessel to help with relief efforts following the 2004 indian ocean tsunami. here in japan, they will merely be used for the carrier of the new helicopter and they trained it. the deck has been reinforced and that hasn't put an end to it. some people say the helicopter is not safe. they had a series of crashes. the latest happened early this and two american marines died. he is quiet in october as the u.s. air station in okinawa, western japan. the sbas in an intensely populated area and they have