Yes, youre right guys. Everything is speculation by now.
But when you look closely, it´s not like there would be hole in the hull. It more look s like an airlock or sorts.
Definately something (beside the exposion fire) is spreading out. Parts of lock? or something else?
But it´s true. We don´t know how many ships there will be and which one we saw by now. Avp ship, some escape ship from that one, Wolf´s ship or something completely different.