On Tuesday, Pyongyang test fired intermediate-range ballistic missile which had flown 1,677 miles over Japan before falling into the Pacific Ocean east of the Japanese northern Hokkaido island. According to media reports, the launch had been held in defiance of the ongoing US-South Korean Ulchi Freedom Guardian military drills repeatedly criticized by the North as a rehearsal for war on the peninsula.
In July 2016, Washington and Seoul reached an agreement on placing a US THAAD system in South Korean territory. In early March the THAAD deployment began in response to North Korea’s ballistic missile tests. After July's missile tests by Pyongyang, South Korean Presidential National Security Office said the deployment of additional launchers for THAAD had been considered.