Interesting. When I first heard about this sport, my first thought was "spies must love this." There is very little difference between a geocache and a deaddrop. The only real difference is who is using it, and for what purpose. Bill From: Brian Casteel Ok. What exactly do these two 'interests' have in common? NOTHING. My point is this...my fear now is that this has come from such a level in government that geocaches are being removed in the name of National Security because caches could be used by terrorists to swap materials and what-not for different events.