The IDF has a creepy but cool robotic "spy" snake they are using for surveillance. It is designed to move and look just like a snake, but is capable of recording sound and audio. The robotic snake can also be used to find people in collapsed buildings, and can slither into narrow openings, tunnels, and pipes. The IDF also has a robotic "cat that climbs walls using its claws, and a "dog-droid" that responds to the human movements." Read more If you know of any other innovative or unusual military surveillance equipment in any country, please post it here...
This can help many other purpose other then military use like helping to find people in natural calamity