Small yield of tactical nuclear weapons

In summary, uranium fission bombs have a maximum explosive power of approximately 10,000 tons of TNT. This is due to the critical mass of U-235, which prevents the creation of bombs with explosive power greater than 5 megatons of TNT. Similarly, atomic fission weapons with explosive power of 10 tons of TNT are not possible because the mass of U-235 would be below critical mass. Tactical nuclear weapons achieve low yields by using boosted devices with D+T, as it would be wasteful to use uranium for such low yields. Older U devices have been replaced with more modern ones. The design of nuclear explosives is not open for public discussion.
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Thecla
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TL;DR Summary
How are the small yields of tactical nuclear weapons achieved?
Uranium fission bombs have explosive power ofabout 10 000 tons of TNT. I understand that you can't make a uranium bomb with explosive power of 5 megatons of TNT brcause of the critical mass of U-235. Similarly you can't make an atomic fission weapon with explosive power of 10 tons of TNT because the mass of U-235 would be below the critical mass. So how do tactical nuclear weapons achieve such low yields?
 
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It would be a waste of material for 10 ton TNT U-based nuclear device. Older U devices have been decommissioned in favor more modern devices. To obtain energy releases in excess of 10 kT TNT-eq, devices are boosted with D+T. Design of nuclear explosives are not for public discussion.
 
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Astronuc said:
Design of nuclear explosives are not for public discussion.
And with that, this thread is closed.
 
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FAQ: Small yield of tactical nuclear weapons

What are small yield tactical nuclear weapons?

Small yield tactical nuclear weapons are nuclear weapons with a lower explosive yield, typically less than 20 kilotons. These weapons are designed for use in specific military situations, such as targeting military installations or disrupting enemy infrastructure.

How are small yield tactical nuclear weapons different from other nuclear weapons?

Small yield tactical nuclear weapons are smaller in size and have a lower explosive yield compared to other nuclear weapons, such as strategic nuclear weapons. They are also designed for use in specific military scenarios, rather than for widespread destruction.

What are the potential consequences of using small yield tactical nuclear weapons?

The use of small yield tactical nuclear weapons can still result in significant destruction and loss of life, depending on the specific target and location. Additionally, the use of these weapons can escalate a conflict and potentially lead to a larger nuclear exchange.

How are small yield tactical nuclear weapons controlled and regulated?

Small yield tactical nuclear weapons are subject to the same regulations and controls as other nuclear weapons. They are typically under the control of national governments and are subject to international treaties and agreements, such as the Nuclear Non-Proliferation Treaty.

Are small yield tactical nuclear weapons necessary for national defense?

There is ongoing debate about the necessity of small yield tactical nuclear weapons for national defense. Proponents argue that they serve as a deterrent and provide a less destructive option in certain military scenarios. Critics argue that their use can still have significant consequences and that their existence can increase the risk of nuclear war.

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