as per today's update Russia has more than 3000 nuclear warheads(deactivated),1200 warheads ready for use. US has nearly 2400 nuclear warheads stockpiled and 400 nukes ready for use.
as of 1992 there is no testing of nuclear explosives in the US. that is now only done by computer simulation on very expensive supercomputers. the nonexplosive parts of nuclear warheads do still undergo both lab tests and test missile launches.
In 1967 the Secretary of Defense disclosed that the US had 7,000 nuclear warheads in Europe. Prior to this announcement, the European host nations knew where these warheads were and so did the Soviet Union. The US Congress was the last organization to know this fact. Government secrecy under US President Lyndon B. Johnson was a government priority.
The USA do
The UK is estimated to have a stockpile of approximately 160 active nuclear warheads and 225 nuclear warheads in total.
Destroy its cache of nuclear warheads
About 30,000.
yes
Cause they need power to power the country and make awesome warheads
In nuclear reactors used to generate electricity, and in many nuclear warheads.
Yes, plutonium is used in nuclear weapons.
300