“Yeah, we’re probably going to take those vehicles out and try to see where the Leviathan is at so we can know how it is able to trying to attack the city’s barriers,” he replies while he sees some cracks appearing from the Leviathan’s attacks on the barrier.

He must have wondered how really big the Leviathan is that would have allowed it to attack the city (or rather, attempt to smash its barriers) with its tentacles. The Atlanteans have said that it wouldn’t normally act this violent before, so he is beginning to wonder if something else is involved or driving it to behave in such a manner.