http://www.cnbc.com/2016/05/25/us-military-uses-8-inch-floppy-disks-to-coordinate-nuclear-force-operations.html

Series 1!
I'm surprised that it handled the Y2K.
I replaced several System 36 applications because IBM refused to the make the boxes Y2K compliant.

Unlike the people at CNBC, as a taxpayer and as a developer, I'm proud of these people.
The ROI on this system must be setting all-time records every day that it keeps running.

Way to go!