South Korea on Monday held a joint air power exercise with the United States in its airspace involving B-1B strategic bombers, a South Korean Defense Ministry spokesman said Tuesday.(South Korean Defense Ministry)The exercise with the U.S. bombers was harshly criticized by North Korea, which announced the same day that it had successfully test-fired a ballistic missile in defiance of international warnings.Spokesman Moon Sang Gyun confirmed the drill during a press briefing, but declined to provide further details.A South Korean government source told Yonhap News Agency that two B-1Bs arriv…READ FULL ARTICLE