Introduction: Jack thought he'd retired. 20 years in the military gave him a comfortable pension, a mechanic's station in Nevada, and a bad case of PTSD. Well, nothing the shrink couldn't take care of.But when the aliens came to prepare humanity for the upcoming System Apocalypse, Jack was one of those chosen to make a difference for humanity, and he found himself answering the call.Note: This is AI-Generated using Gemini 2.0 preview; as the explainer says, I made the prompts, I made edits, I didn't spend the time to write every word individually.Note: I don't necessarily intend to publish this story at the moment, right now I just want to see it in the Royal Road interface....