Japanese naval forces successfully shot down a medium-range missile off Hawaii in a test of Tokyo's missile defense weaponry, the US military said on Wednesday. A Japanese destroyer detected, tracked and knocked out the missile in mid-flight with an SM-3 interceptor rocket, the US Missile Defense Agency (MDA) said in a statement. The missile was launched on Tuesday at 6:00 pm Hawaii time (0400 GMT) at a missile range site off Kauai in Hawaii and at 6:04, an SM-3 interceptor was fired in response, the MDA said. "Approximately three minutes later, the SM-3 successfully intercepted the target approximately 100 miles...