oops, sorry.
Trip wire has got me on a Rhodesian Army kick now.
http://members.tripod.com/selousscouts/home_page.htm
Hours of information on there including photos of selection complete with sand bags and painted rocks....
As I thought about this I thought of an NCO that I worked for once who served Mike Kelso. As if it was fate I was looking at another website and found this.
http://www.tradoc.army.mil/pao/peopl...its/045305.htm
Freaking weird......