SEOUL (Reuters) -South Korea and the U.S. military fired a volley of missiles into the sea in response to North Korea’s launch of a ballistic missile over Japan, Seoul said on Wednesday, as Pyongyang’s longest-range test yet drew international condemnation. Nuclear-armed North Korea test-fired an intermediate-range ballistic missile (IRBM) farther than ever before on Tuesday, sending it soaring over Japan for the first time in five years and prompting a warning for residents there to take cover. South Korean and American troops staged a missile drill of their own in response, South Korea’s Joi…