collar of the man ahead, ranger file is standard operating procedure for a combat team that is stacking up to breach a building. it's instantly recognizable to any u.s. soldier or marine serving in iraq or afghanistan. it was a chilling sign that many at the van guard of the mob that stormed the seat of american democracy either had military training or were trained by those who did. again, that was the associated press reporting just days after the attack. this is the footage though that made it come into very stark relief. this is what that looked like, the military-style stack formation. all right. there is a bench of yahoo!s standing around quelling. but who are these guys? this organized group one hand each of them and the next one wearing helmets, wearing coordinated outfits of some kind, purposefully trudging up the stairs like the ap said. within six weeks the fbi tracked down and arrested the people who formed that stack on january