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That leads me to remote operation. As the tank is fully digital they should be able to operate it remotely from the start I think it's an issue with practicality again. The tank would probably have terrible situation awareness if nobody is even in it and they are all operating the tank from another vehicle or a room somewhere, so again maybe automation of some of the systems can help with that. Additionally, the Russians tested autonomous vehicles in Syria a few years ago, because signals are being sent from ground to ground there is a lot that gets in the way and they found they had to be reasonably close to the vehicle to operate it but that even then they were frequently getting interference and disconnections. You could probably relay signals through aerial drones to compensate for this but drones get shot down, however satellites don't(well I guess they technically can).
I'm going to go off on a bit of a tangent here. We all know that the space industry is subsidised by the government and that it is heavily connected to the defence industry if it's not just the defence industry itself in the first place.
Space X's Starlink makes no commercial sense, it has low ping so gamers might like it but it's slower than commercially available satellite internet and with the amount of satellites they are launching and the costs that involve there is really no way they are going to make a profit, they would have t have an enormous customer base but the only people that are actually going to want this are gamers in the middle of nowhere in places like Alaska who might have no access to cable internet so need satellite but want slower internet with less ping instead. Well Musk's cult will buy it regardless and there are also third worlders with no cable internet(who can't afford Starlink it anyway).
Now, Musk is an idiot and does stupid things like this all the time so it's not like he would not do this even if it made no sense. However, this does seem like it might actually be a project for the US Defence force. Having thousands of decentralised, low ping satellites makes no commercial sense but it means the military can send signals to ground based assets quickly, it makes it hard to interfere with due to the decentralised nature, it provided coverage everywhere and because there are so many of them it does not even matter if one did get shot down.
We see this already used here https://youtube.com/watch?v=pzAl29Gl9MA with Ukrainian artillery. I find it hard to believe the the Ukrainians just happened to coincidently make a system that perfectly operates with Starlink and almost seems to have been made for Starlink by themselves with no US assistance and that once they made this by themselves and got into a war where they needed it Musk just happened to decided to give them thousands of these Starlink systems and I find it equally unlikely that the US is not working on systems like this already.
Anyway, after all that my point is that such a system as Starlink probably could be used to control ground based vehicles and might be already.