North Korean leader Kim Jong Un was not reported to have attended the test.
State media said the display was to show the country's soldiers have an "iron fist".
North Korea has ramped up its military testing in recent months.
Tuesday's launch was of a newly developed hypersonic missile, state news media reported.
North Korea’s last nuclear test was in 2017.
There have been rumours about the leader's health for more than a year now.
The price of bananas is $65/kg.
He's calling for a "high-alert posture" against the "recent fast-changing" situation on the Korean Peninsula, KCNA said.
One outlet reports the North Korean leader has lost a "significant amount of weight".