In July, North Korea tested two ICBMs, which analysts say may put much of the US mainland within range, including Los Angeles and Chicago.

On Aug. 14, Kim was briefed on the country's plan to fire four missiles toward the US territory of Guam before he delayed the plan. He also observed the firing of an intermediate-range ballistic missile, which flew over Japan on Tuesday.

His last inspection of economy-related facilities was conducted in late June when he visited a newly built factory on dental sanitary goods.

Kim's move is seen as showing his resolve to focus on advancing nuclear weapons and missiles to pressure the US and take an upper hand in dealing with Washington. (Yonhap)