Peace Keeper

The Peace Keeper (ピースキーパー) is an American  in Digimon Adventure: Our War Game!. It has a range of 20000 km, and its max speed is 15000 mph, or 23.

Digimon Adventure: Our War Game!
hacks the Pentagon's computers and launches the Peace Keeper to Tokyo Bay, specifically near Tai's neighborhood, intending to eliminate the DigiDestined.

In the English dub, Diaboromon launches a second missile headed to Colorado, likely meant for Willis.

Diaboromon then starts a countdown and creates thousands of copies of himself, challenging the to find which one has the clock that controls the missile's detonation.

In the Japanese version, Tai and Izzy are warned about the missile by a Taiwanese middle school student who hacked the Pentagon, while in the English dub they are told about it by Willis.

eventually destroys Diaboromon's clock, preventing the missile's explosion just as it falls in Tokyo Bay.

Trivia

 * The Peace Keeper is based on the real life LGM-118 Peacekeeper nuclear ICBM used by the United States Air Force until being decommissioned in 2005 and replaced by the LGM-30 Minuteman nuclear ICBM.