a warship could (and some do) have baloons for that already though, and there are also drones that can be fed power through tether but if you could put a serio

a warship could (and some do) have baloons for that already though, and there are also drones that can be fed power through tether but if you could put a serious loitering drone over a section of urban terrain in a conflict zone or in high crime area, that could move around to get angles as required, that would be cool