A PAC-3 surface-to-air missile launcher unit, used to engage incoming ballistic missile threats, is seen through cherry blossoms at the Defence Ministry in Tokyo on April 5, 2017. Nuclear-armed North Korea on April 5 fired a ballistic missile into the Sea of Japan, South Korea and the US military said, days after Pyongyang warned of retaliation if the global community ramps up sanctions. / AFP PHOTO / Behrouz MEHRI (Photo credit should read BEHROUZ MEHRI/AFP/Getty Images)
