U.S. Navy and Japan Maritime Self-Defense Force ships transit the East China Sea Nov. 16, 2012, after the conclusion of exercise Keen Sword 2013.
Keen Sword is a joint/bilateral command post exercise involving U.S. military and Japan Self-Defense Forces personnel. (DoD photo by Chief Mass Communication Specialist Jennifer A. Villalovos, U.S. Navy/Released). Original public domain image from Flickr