The successful test weapon on October 31 was a super-large rocket system that could destroy multiple targets at once, North Korean media said.

"The North Korean Defense Academy tested the supersonic jet cannon on the afternoon of October 31 to test the safety of the system when launching multiple rounds of weapons. This weapon can simultaneously destroy multiple targets in one blow. surprise strike, "North Korea's news agency KCNA reported today.

Kim Jong-un leader expressed satisfaction with the successful test results and congratulated the scientists in the project despite not being present at the launch site, North Korean media said.

The South Korean military announced two shells were fired from South Pyongan Province, southwestern Korea and flown to the country's east coast. Japan's Ministry of Defense initially identified it as a ballistic missile, saying the ball had fallen outside Tokyo's exclusive economic zone.

This is the first time Pyongyang has tested the weapons since a working meeting between the two sides ended on October 5 in Sweden with no results. North Korea has repeatedly tried short-range ballistic missiles and jet guns to develop technology, strengthen defense capabilities, and increase pressure on the United States and South Korea in the context of deadlocked nuclear talks.

The White House and the Department of Defense have not yet commented on the launch.

"North Korea is taking a series of escalating actions. This launch shows that the Trump administration needs to re-apply its policy of maximum pressure," said Senator Cory Gardner, chairman of the Foreign Policy Sub-Committee in charge of Eastern Policy. Asia, the Pacific and the International Cyber Security of the US Senate, said.