What happens at the end of an Operation?

Question aimed at the devs that I haven’t seen the answer to anywhere online. What happens when an operation ends? Do all of the unlockable cosmetics become unavailable? If so, will they come back at some point? Will we still be able to unlock them? Will we have to buy them with money or (god forbid) scrap?

I think once they are gone…they are gone. At least that is how I understood it.

If we are lucky, maybe they will do craftable drops like the did in 4.

I at least hope NOT for the General rank, the rest I could care less about. But as for General, that reward should stay exclusive to them, so you cant just skip a season and craft the General reward then go around saying “yeah i got this during the first Tour of Duty back when gears 5 was bad”