North Korea’s state media boasted Sunday that its armed forces had “gained invincible power” under leader Kim Jong Un as it prepares for a major army holiday that analysts say could be marked with a military parade or major weapons test.

North Korea on Monday celebrates the 90th anniversary of the founding of the Korean People’s Revolutionary Army and the nuclear-armed country has staged military parades in the past to mark key holidays.

Pyongyang has carried out more than a dozen weapons tests this year, including firing an intercontinental ballistic missile at full range for the first time since 2017.

A report by the North’s official Korean Central News Agency listed the history of the country’s military achievements, from its battles against the United States in the 1950-53 Korean War to smaller conflicts.

“All the people of the country are looking back deeply on the history of the 100 victory of our revolutionary armed forces,” it said.

The report added Kim had further propelled the country’s military might with his “genius military ideology, excellent military command and unparalleled courage and guts”.

“Our revolutionary armed forces have gained invincible power that the world cannot ignore,” it said, in an apparent reference to the North’s nuclear arsenal.

Signs that Pyongyang was preparing for its “biggest ever military parade” to mark the upcoming anniversary have been detected, Yonhap news agency reported, citing multiple unnamed government sources.

The parade was likely to take place at midnight, the report said, involving around 20,000 troops and the North’s most sophisticated weaponry including the “monster” Hwasong-17 ICBM as well as hypersonic and submarine-launched ballistic missiles.

North Korea had been widely expected to showcase its military strength to mark the 110th anniversary of the birth of its founding leader and Kim’s grandfather Kim Il Sung on April 15, but instead, the day was celebrated with a civilian parade.

Satellite imagery has also shown continued preparations, with thousands of North Korean troops and scores of vehicles marching in formation at a parade training ground in Pyongyang.

“Typically, troops depart the training ground as soon as the parade is complete, so their presence further indicates an upcoming event,” Martyn Williams, a fellow at the Stimson Center, wrote on the 38 North website.

US and South Korean officials and analysts have also warned Pyongyang could resume nuclear weapons testing for the first time since 2017, citing renewed activity at its key testing site. (AFP)

•PHOTO: This undated picture released from North Korea’s official Korean Central News Agency (KCNA) on April 17, 2022 shows the test-fire of a new-type tactical guided weapon at an undisclosed location in North Korea. STR / KCNA VIA KNS / AFP

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