Writing BattleTech sourcebook fiction is a finicky business. Much depends on exactly what kind of fiction you’re writing, for which product, and for what intent.
What I spend a lot of time thinking about is the world. How might these things all work, if not in a real way then at least in a consistent way. I build a lot of units because of this. Part of that is figuring out how the organization that is a mercenary unit might work. One aspect of that is ranks.
First, you decide who goes first, then you move, decide if you fall down, then decide who shoots at who, rolls a bunch of dice and see who hits who, and decide who falls down again. Sometimes there’s a fistfight. More falling down. Then maybe someone explodes.