US, South Korea and Japan to hold trilateral drill as North Korea ramps up pressure on US AP NewsU.S., South Korea and Japan to hold drill as North Korea ramps up pressure on U.S. NPRSouth Korea, Japan and US to hold North Korea-focused nuclear missile drill ReutersJapan, South Korea and US to hold joint military drills, Seoul says Nikkei AsiaSouth Korea, Japan and US to hold trilateral Freedom Edge drills in September South China Morning Post
US, South Korea and Japan to hold trilateral drill as North Korea ramps up pressure on US – AP News
