North Korea calls Saturday's launches a joint firepower drill aimed at the South

North Korea's Korean Central News Agency said on Monday that the missiles South Korea detected on Saturday morning were part of a "joint firepower attack drill" involving subunits from five artillery and missile units. The agency listed attack drones, a tactical cruise missile, a large-calibre thermobaric multiple rocket launcher and tactical ballistic missiles. It claimed the weapons hit their targets with 100 percent accuracy. That claim cannot be checked from outside the country.

South Korea's Joint Chiefs of Staff told reporters on Saturday that several short-range ballistic missiles left the Wonsan area on the east coast at about 5:20 a.m. Korean time and flew roughly 250 kilometres, or 155 miles, into the East Sea. Those ranges put South Korean targets inside the planned footprint. Seoul and Washington said they were analysing the launches and had shared data with Japan. The presidential Office of National Security convened an emergency meeting and called the firings a violation of United Nations Security Council resolutions.

KCNA quoted Artillery Bureau director Yu Chang Son as saying the drill was meant to familiarise troops with an integrated firepower control system, described as part of a strategic weapons combined management system. Marshal Pak Jong-chon, who watched the exercise, said it would raise the army's ability to bring down an enemy's forces "organisationally and structurally once an order is issued" and that the systems showed "the huge destructive power of concentrated fire."

The timing sat one day after the United States, South Korea and Japan finished Freedom Edge, a five-day trilateral exercise built around North Korean threats. Saturday's shots were the North's first publicly acknowledged ballistic launches in about three weeks. Independent confirmation of the drone and rocket-launcher elements does not exist in open South Korean releases, which spoke only of the ballistic missiles tracked from Wonsan.

What Monday's KCNA text adds is doctrine rather than hardware. The North is presenting mixed fires, drones plus cruise plus ballistic plus thermobaric rockets, under a single control system. That is the structure it wants South Korean and U.S. planners to assume, whether or not every launcher in the press release actually flew. The 250-kilometre tracks are the part that can be measured. They are short-range by intercontinental standards and long enough to reach air bases, ports and cities south of the Demilitarized Zone.

Japan called the launches unacceptable. Seoul said monitoring would continue under the combined defense posture with the United States. No new sanctions text moved on Monday. The next data point is whether the North fires again inside the same three-week gap, and whether the next volley again comes the morning after a U.S.-Japan-South Korea drill.