INS chips providing enough precision for autonomous operation over last few kilometers are rather cheap nowadays too.
A small-ish plane frame could easily deliver a grenade from sleepy suburbs 10km straight to the Oval Office with only few minutes of warning (assuming somebody could actually detect it in time at all). We're just lucky nobody seems to be bothered to do that.
A small-ish plane frame could easily deliver a grenade from sleepy suburbs 10km straight to the Oval Office with only few minutes of warning (assuming somebody could actually detect it in time at all). We're just lucky nobody seems to be bothered to do that.