4
votes
2answers
128 views

What was the efficiency of the “Gadget” bomb in the Trinity Test?

I've done a bit of searching and was unable to find what I expected to be a simple statistic. By "efficiency" I mean the percentage of the Plutonium in the bomb that actually fissioned.
9
votes
1answer
211 views

Are submarine launched ballistic missiles still inaccurate?

In the early 1980s documentary First Strike, one of the arguments made for the development of the MX missile program was that in the event of a massive Soviet attack on the land-based missile and ...