SEOUL—North Korea said it conducted “another important” test for reconnaissance satellite systems, state news agency KCNA reported on Sunday, a day after regional military authorities reported the launch of a ballistic missile from the country for the second time in a week. The launch drew condemnation from governments in the United States, South Korea, and Japan, which warn that the North’s rogue regime is preparing to conduct a major weapons test in coming months. They see the North’s satellite launches as thinly veiled tests of ballistic missile technology banned by United Nations Security Council resolutions. According to KCNA, the test was conducted “under the plan of developing a reconnaissance satellite.” It was the second such launch in a week to test satellite equipment, and the ninth missile launch this year. Like the last test on Feb. 27, KCNA did not elaborate on the type of rocket used in the launch, but …