This would keep the explosions at least 5,000 feet away from the silos; it was expected that silos able to withstand multi-megaton explosions at one mile could be built, although this was considered to be an area of some uncertainty.
This would keep the explosions at least 5,000 feet away from the silos. Silos able to withstand multi-megaton explosions at one mile could be built. This was what it was expected. This was considered to be an area of some uncertainty. This was what it was expected.