They could have one if they want. You only need 40M dollars to buy a thousand A100s. They might already have them. Or they could be paying OpenAI to help.

Palantir can predict protests based on social media. I'm sure it works a bit like Bing. You say 'Hi, what is up?' It says 'There could be a riot in X soon.' Replace social media with reports from commanders in the field and you can do something similar. The system can say 'I think there's a major enemy offensive in Y'.

My friend Fred says that the rules don't apply to the military. They can do whatever they want whereas civilians have to worry about regulations. But that has never stopped anyone for long.