Let me tell you that you are flat wrong. At this production company, they were very insistent on having things done EXACTLY the way they were in the Army. My indoc was a week long course where I was taught all about Army structure, rank, uniforms and battlefield tactics. We wore real honest to goodness uniforms right down to military issue boots. So, yes, I do have an Army military background and it's far and above just an average civilian with no military experience.
After getting "to production," think of it as getting online after OE, we practiced and practiced again including marching, formations, flanking the enemy along with pincer style attacks. We employed these on many of our reenactments and I'm proud to say I was part of the largest Vietnam War reenactment ever with over 450 participants. It was a night staged battle scene where two companies of NVA and one company of VC overran the firebase our platoon was holding. Outside of the real thing, it was a real as it gets and to be quite honest I suffered nightmares for weeks after that particular one due to the ferocity of the charge against us.