Japan, U.S. hold joint air exercise over Sea of Japan

TOKYO, Dec. 11 (Xinhua) -- Japan's Defense Ministry said Thursday its Air Self-Defense Force (ASDF) held a joint air exercise with the U.S. military the previous day over the Sea of Japan.

Six Japanese ASDF fighter jets, including three F-35s and three F-15s, flew with two U.S. Air Force B-52 bombers on Wednesday, according to the Japan Joint Staff.