Because it is harder to shoot down.
Strategic bomber, submarine ICBM, ground ICBM
Tsar Bomba was an aerial bomb designed to be delivered by a bomber. It would require some redesign for an ICBM. Once that was done, I'm sure an adequate ICBM could be built. I'm even quite sure the old US Saturn V would have had no trouble delivering the full 100MTon version anyplace.
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.
USA, Russia, England, France, China and India have Inter Continental Balistic Missiles (ICBM)
78676y7tytt887t78
Nukes, ICBM's contained both. In that case, cold was much better than hot.
Yes. During the cold war, the US was under constant threat of ICBM attack from the USSR. Due to the Anti-Ballistic Missile treaty, the US was prevented from developing interceptors to shoot down those ICBM's.
Intercontinental Ballistic Missile
The "football" is a special top security cryptographic communication device that the Presidents' military aide called the Emergency War Officer (EWO) always carries with him. He can use it at any time to authorize nuclear attacks and/or retaliation by bomber, ICBM, and/or submarine anywhere in the world.
100-15000mph you scared? the earths diameter is like 12000km or m, i forgot but doesnt change the fact that the icbm can get to you in 1 hour