The members could discuss the progress in weapons development and plans to deploy some of the systems that were tested in recent months, including a purported hypersonic missile, a long-range cruise missile and the North's newest intercontinental ballistic missile, said Cheong Seong-Chang, a senior analyst at South Korea's private Sejong Institute.
The North's ramped-up testing activity has come under a five-year arms development plan Kim announced in early 2021, when he revealed an extensive wish list of advanced military assets, including tactical nuclear weapons, nuclear-powered submarines, multiwarhead missiles and solid-fuel, long-range weapons.
The meeting follows another major political conference earlier this month where Kim doubled down on his arms buildup in the face of what he described as an aggravating security environment and set forth further "militant tasks" to be pursued by his armed forces and military scientists.
North Korea has already set an annual record in ballistic launches through the first half of 2022, firing 31 missiles in more than 18 launch events, including its first demonstrations of ICBMs in nearly five years. South Korea's military also detected the North firing suspected artillery shells into the sea last week.
Kim may up the ante soon as US and South Korean officials say North Korea has all but finished preparations to detonate a nuclear device at its testing ground in the northeastern town of Punggye-ri. The site had been inactive since hosting the North's sixth nuclear test in September 2017, when it said it detonated a thermonuclear bomb designed for its ICBMs.
The North's unusually fast pace in testing activity underscores Kim's dual intent to advance his arsenal and pressure the Biden administration over long-stalled nuclear diplomacy, experts say.
While the US has said it would push for additional sanctions if North Korea conducts another nuclear test, the divisions between permanent members of the UN Security Council make the prospects for meaningful punitive measures unclear.
Russia and China this year vetoed US-sponsored resolutions that would have increased sanctions, insisting Washington should focus on reviving dialogue.