This undated photo distributed on Tuesday, Sept. 6, 2016, by the North Korean government, shows ballistic missiles launched during a drill at an undisclosed location in North Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the Korean Central News Agency via Korea News Service. North Korea on Monday, Sept. 5, 2016, fired three medium-range missiles that traveled about 1,000 kilometers (620 miles) and landed near Japan in an apparent show of force timed to coincide with the G-20 economic summit in China, South Korean officials said. (Korean Central News Agency/Korea News Service via AP)