I own the CammengaŽ Military Lensatic Tritium Compass, best compass I have ever owned, used them in the military and bought one later. Tough as nails and field proven. You can't go wrong with a Cammenga.

http://www.uscav.com/productinfo.aspx?productid=7586&tabid=548
OR
http://www.uscav.com/productinfo.aspx?productid=7587&tabid=548
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Failure is not an option!
USMC Jungle Environmental Survival Training PI 1985