It's nice and all that the military has such cool radars, but how much do those systems cost? How large are they? What sort of power requirements do they have

It's nice and all that the military has such cool radars, but how much do those systems cost? How large are they? What sort of power requirements do they have? What sort of duty cycles do they have? And can they legally be exported? Elon caving and adopting Lidar is probably more likely.