In this photo released by US Navy on Monday, its destroyer class cruiser, USS John McCain (DDG 56), left, pulls alongside aircraft carrier, USS George Washington during “Keen Sword” US-Japan joint military exercise in the Pacific Ocean Sunday. In an ongoing show of force following a deadly North Korean attack on a front-line island, the US and Japan continued one of their biggest-ever military exercises Monday mobilizing more than 44,000 troops, hundreds of aircraft and the US supercarrier. (AP) __