Apparently, OpenAI already folded.

https://www.cnn.com/2026/02/27/tech/openai-pentagon-deal-ai-...

A unified front from tech companies could have stood a chance, but there's too much money to be made and the imbalance of power is too great without departing the area of influence of the US government entirely (and then go where? China, UK, Australia, etc. are equally not shy of coercing commercial capabilities in pursuit of government goals, including military goals).