The South Korean military showcased an array of domestically produced advanced weaponry in a rare, large-scale military parade in downtown Seoul on Tuesday, with its commander-in-chief warning North Korea of the collapse of the Kim Jong-un regime in the case of a nuclear attack against the South.

In commemoration of the 75th anniversary of Armed Forces Day, observed each year on Oct. 1, South Korea demonstrated its robust conventional military capabilities, serving as a resolute message to North Korea amid its increased nuclear threats.

This high-profile military street parade, the first in a decade, was staged hours after President Yoon Suk Yeol issued a stern warning to North Korea during a military inspection ceremony.

"If North Korea uses nuclear weapons, its regime will be brought to an end by an overwhelming response from the ROK-US alliance," Yoon said in his speech at Seoul Air Base, referring to South Korea by the acronym of its official name, the Republic of Korea.

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