Theory: Launch Trailer Jason's "Military" is not Flashback - it's the last mission of the game.
I’m thinking about this mainly because half of the RDR2 Launch Trailer showed us the final mission from Chapter 6. And we didn’t even know it back then. Rockstar knew full well that by showing Jason in a military-type uniform with night-vision goggles, most people would think it was some kind of flashback to Jason’s time in the army. But in my opinion, it’s actually the opposite - the end of the game’s main storyline, before the epilogue. Jason is gathering a team, possibly some of his old contacts from the military, to take revenge on someone for something, settle a score, or rescue Lucia or