If you ever get nervous about missile attacks, they're actually a lot harder to make than you might think. To hopefully put your mind more at ease, Hank is here to talk about the work that goes into designing and building ICBMs in this...

North Korea has unveiled a new intercontinental ballistic missile that experts believe could carry multiple nuclear warheads to the continental U.S. <br/>

CLEAN : FILE: N Korea says successfully tested ballistic missile engine

Russian ground-to-air missile vehicle S-400 Triumph (NATO name is SA-21 Growler) animation.

Ahead of the annual Victory over the Nazis - the Russian military rehearses rolling tanks and flying helicopters through the streets of Moscow. Russian State Television was the only broadcaster for the actual parade the next day.

Massive military parade in Red Square / Communist youth groups parade with flags / large crowd of spectators / trucks with missiles on the back as part of parade / CU tanks / CU submarine rocket and anti aircraft rockets /...

Close up footage of an old typewriter and a person writing NUCLEAR WAR on it...

Close up footage of a person writing WORLD WAR III on an old typewriter...

Close up footage of a person writing WORLD WAR III on an old typewriter...

Close up footage of a person writing NUCLEAR WEAPONS on an old typewriter, with sound...

Close up footage of a person writing WORLD WAR III on an old typewriter...

Close up footage of an old typewriter and a person writing NUCLEAR WAR on it...

Images of people walking in the streets of Pyongyang as North Korea unsuccessfully fires an intercontinental ballistic missile during a new salvo of launches Thursday (Footage by AFPTV via Getty Images)

Salutes, fireworks and dancing: Pyongyang celebrates North Koreas intercontinental ballistic missile test

The denial follows dozens of weapons tests, including short-range missiles that are likely nuclear-capable and an intercontinental ballistic missile.

Travellers in Japan watch news on TV of a suspected North Korean intercontinental ballistic missile launch on Friday (Footage by AFPTV via Getty Images)

In a media address at the APEC summit in Bangkok, Australian Prime Minister Anthony Albanese demands North Korea stop its 'aggression' after the country fired a suspected intercontinental ballistic missile, the second launch in two days...

Residents of Seoul watch North Korea related news on TV at Seoul Station as Pyongyang unsuccessfully fires an intercontinental ballistic missile during a new salvo of launches (Footage by AFPTV via Getty Images)