Recently we've had several postings here regarding the Government Sett, a.k.a. the Black Watch Tartan. I recently discovered this listing of tartans with a military connection, and thought other posters might enjoy perusing it:

http://www.regiments.org/tradition/tartansx.htm

This is from T.F. Mills's extensive web site about British & Commonwealth Regiments, and it is well worth your time to have a wee look around!

Cheers,

T.