Nuclear weapons are weapons that get energy from nuclear reactions and has a tremendous power of destruction a nuclear bomb could destroy a city. Nuclear weapons have been used only twice in combat during World War II by the United States against the Japanese cities of Hiroshima and Nagasaki.At the time yield downed nuclear bombs on Hiroshima and Nagasaki for 20 kilo (thousand) tons of TNT. While today's nuclear bomb explosives more than 70 mega (million) tons of TNT.
State owner confirmed nuclear weapons is the United States, Russia, United Kingdom (UK), France, China, India and Pakistan. In addition, the state of Israel is believed to have nuclear weapons, although not tested and are reluctant to confirm whether Israel has nuclear weapons or not.
Nuclear weapons can now be carried out through various ways, such as through the bombers, missiles, ballistic missiles, and ballistic missiles continental distances.
