Following is a transcript of the video. Narrator: During the Cold War, the US government built numerous missile silos in secret locations across the country. Many sit empty and useless today.

After doing some digging, they found that the keyboard and trackball combination was used in Minuteman III nuclear missile silos beginning ... software and hardware design with the world.

The design allows the transport of up to ten ... This method involves ejecting the missile from a silo into the air using compressed gases, after which small engines quickly stabilize the rocket.

A Boeing-led team completed the construction of 20 new missile silos for the Ground-Based Midcourse Defense, or GMD, system at Fort Greely, Alaska. Shown here is a 2023 GMD test at Vandenberg ...