I thought the most interesting part was that the system uses a simple infrared beacon which can be seen by normal night vision equipment. Given that you can get

I thought the most interesting part was that the system uses a simple infrared beacon which can be seen by normal night vision equipment. Given that you can get a very basic NV monocular for under $200 now, what's to stop 'targets' from simply locating and destroying the beacons before they've had time to do their job?