![Image](http://www.cryptomuseum.com/crypto/stk/race/img/race_controls.png)
From http://www.cryptomuseum.com/crypto/stk/race/index.htm
There, it's called an "Off-line electronic cipher machine". Doesn't say much about the keyboard, but I love the single legends, and the text buttons look downright 7bit-worthy.
Has anyone seen more about these classified devices in terms of keyboards, either caps or switches?