Top military chiefs of S.Korea, US and Japan meet in Seoul for trilateral meeting

South Korea, Japan and the United States conducted a joint air drill on Friday involving a U.S. B-52 strategic bomber and fighter jets of the three allies over international waters, the South's defence ministry said. The three countries' defence chiefs also held an annual meeting in Seoul on Friday, where they recognised the importance of close trilateral cooperation in addressing security challenges, the defence ministry said in a statement.