If you are going that far you might as well think about sending a surrogate [1] instead. :)
You can jam the remote control for "surrogates".
You could do local AI to workaround that, but then ya'know... skynet...
Also distance may be a problem, especially if we're talking space warfare.
And surrogates would probably look more like the robot dogs or air/ship drones we currently have though, with some human-like ones sprinkled in.
Put a remote control operator in a spartan suit to pilot drones nearby!