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ICBM = InterContinental Ballistic Missile
which countries have the most ICBM's
ICBM stands for Intercontinental Ballistic Missile and is a way of delivering warheads to countries on different continents.
Strategic bomber, submarine ICBM, ground ICBM
USA, Russia, England, France, China and India have Inter Continental Balistic Missiles (ICBM)