Air Force finally retires 8-inch floppies from missile launch control system

  • 18 October 2019
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"Solid state storage" replaces IBM Series/1's floppy drive.

Sean Gallagher - 10/18/2019

Five years ago, a CBS 60 Minutes report publicized a bit of technology trivia many in the defense community were aware of: the fact that eight-inch floppy disks were still used to store data critical to operating the Air Force's intercontinental ballistic missile command, control, and communications network. The system, once called the Strategic Air Command Digital Network (SACDIN), relied on IBM Series/1 computers installed by the Air Force at Minuteman II missile sites in the 1960s and 1970s.

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