where it was shipped. this is cnn. live from cnn center, this is cnn newsroom. with kim brunhuber. u.s. president joe biden has arrived in japan after a three-day visit to south korea. air force one landed at the air base near tokyo, an hour ago to visit biden s first trip to asia as commander in chief. before leaving seoul, biden met the leader of hyundai. where he s tried to put focus on bolstering s america s security ties. the shadow of potential conflict is never far away. on saturday, the u.s. announced plans to expand military drills in response to north korea s nuclear threat. and how it can help to counter china s influence in the region. for more on that let s bring in blake essig and kevin liptak live in tokyo. kevin, a lot to get through with biden s first trip to asia. walk us through the second leg. reporter: yeah, trere really three components to this second leg of president biden s first trip to asia. the first is the u.s./japan relations. that s reall