allegedly this one is currently deployed
http://defense-update.com/products/g/guardium.htm
THis site is always useful
http://www.armadainternational.com/0...ticle-full.cfm
SEE ALSO
http://www.spawar.navy.mil/robots/pu...st95-nopix.pdf
(no pictures - but it might give hints for Google searches)
For use 'inside' Damocles, tracked ones like the TALON/SWORDS would be good. Various real-world UGV's are mentioned here. MAARS looks scary
http://thefutureofthings.com/pod/102...e-to-kill.html
But - for really disturbing - I recommend the 'Crusher'. See details (including project brochure) here. I was thinking of teaming a Scientific-ONE with a pair of these
http://www.rec.ri.cmu.edu/projects/crusher/index.htm