I see nothing in option 2 implying that a CA is mandatory, only that one is the max.
I read it as "These formations are still limited to
having a[/b] single Heavy Cruiser X-hull. ", most it seems are reading it as "These formations are still limited to
only having a[/b] single Heavy Cruiser X-hull. "
I interpreted it the wayI did because option A required you to take an X-CA, and since option B said
still[/b] I assumed that was the intent here as well. That is to say the intention that every X squad be commanded by an X- CA. I am fine either way, just wanted to be clear. I actually like the your guys interpretation.