How can a fish be a spy? - in 15 secs
The US Navy has developed a surveillance robot disguised as a tuna fish.
The GhostSwimmer could be used to sneak up on enemy vessels, or deliver supplies to friendly operatives.
The US Navy has developed a surveillance robot disguised as a tuna fish.
The GhostSwimmer could be used to sneak up on enemy vessels, or deliver supplies to friendly operatives.