Visit to an ICBM underground silo described.

An Iranian state television report showed a missile being fired from a fortified underground silo at night time.

Here, a missile was stored vertically in an underground silo and the attached living quarters for the missiliers were more modest.

A pan-pipes missile rack rose into view from some underground silo, and one of the four-tonne cruise missiles blasted into the sky.

ICBMs were designed to be fired from underground silos, delivering nuclear warheads thousands of miles.

Warren Air Force Base, which protects around 200 underground silos housing nuclear intercontinental ballistic missiles.

The missiles would be housed in underground silos in an area about the size of a football field.

These plugs once sealed grain in underground silos, safe inside the city's defences and ready for a siege.

This 17-acre plot, with a 2,000-square-foot home, dog kennels, guard houses, underground silos, and a windowless fallout shelter, is sure to go quickly.