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