Exactly my thought, I was like "Jarvis has got to be just a 2030 version of an LLM".
Yeah I actually considered making a spotter AI using computer vision in a game like ARMA 3 or Squad but kind of difficult. I made a spotter for ground vehicles on aerial imagery using YOLOv5 here: https://github.com/AlexandreSajus/Military-Vehicles-Image-Re...
There's a French defense company, Preligens, that actually does this currently