I see that the popular US Army tartan is now available in 'ancient' and 'reproduction' schemes from DC Dalgliesh via Scotweb:

http://www.scotweb.co.uk/tartan/US-F...earchterm=army

I don't care for the tan 'reproduction' version, but the olive-drab 'ancient' is sweet! (Tempted to replace my 'modern' Army kilt... )