"S-1" key schedule

[Childers James]

On Thu, 10 Aug 1995, Matt Blaze wrote:

> My money still says the "TOP SECRET" markings and other clues that
> suggest that "S-1" has something to do with Skipjack are a hoax.

Has anyone checked to see if this is just an older but obscure published 
algorithm? If it uses an 80-bit key, that tells me it's not too old, but 
I'm new to this stuff.

If it is a new algorithm, is it just a variant, or something completely 
new? 

[Sorry in advance if this is noise...]