mrstickball said:
A few simple reasons:
We have a lot of warheads from decades gone by when nuclear weapons were not accurate. When we hit Hiroshima and Nagasaki, we were actually miles off course. We had to maintain a large stockpile to ensure we actually....Hit the target. Most US/Russian nuclear targets are designated for multiple strikes to ensure an area is decimated. With the advent of more accurate ICBMs and targeting measures, its a bit easier to hit what your aiming for, thus the reduction of stockpiles. Volume-wise, the ORBAT for nuclear warfare is to hit targets a few times, let some time pass, then strike again when the survivors have come out. I would also mention that not every nuke is a city-buster. There are many in the stockpiles that aren't very large, and are tactical in nature. Finally, one assumes that some of the nukes, in a strike, would be deflected by aircraft, SAMs or other such weaponry.
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That doesn't mean that I think we need that many. I could see having that many *if* focused on deflecting asteroids and other space objects, but not scorching other countries. The US could probably decimate Russia with 100 modern nukes, if not less. Same goes for Russia. |
You also need to take account that nuclear missiles are very vunerable in early stages of flight so at least russians planned to launch their missiles after american warheads hit. That's why they need this many to ensure that whatever is left will be enough.
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