A sentient Mig-29 fighter jet that patrols its own airspace. It is very aggressive and territorial, anything that goes into its airspace will be tracked down and destroyed as soon as possible. This Mig-29 has some markings, but now so faded that it's impossible to discern, it requires no pilot, has infinite amount of weapons ,fuel and also can repair itself, and it will defend its own airspace territory with all its weapons until its final destruction.