The US successfully tested its Minuteman III missile again. 

A Mark-21 re-entry vehicle was added this time. 

The missile was launched alone without any combination support. 

The test aimed to check accuracy, speed, and flight. 

It travelled around 6,700 kilometres during the entire test. 

Its speed exceeded 24,000 kilometres per hour in flight. 

The missile is capable of carrying powerful nuclear warheads. 

A video shows it rising fast and disappearing instantly. 

The test showcases America's advancing military and strategic power.