ISV's don't have to be aerodynamic to come into atmosphere.

>>213539771
>Now, one real problem with the physics of the movies is if humanity was truly serious
By the time they got serious, they had been driven off the moon. When they returned they did go scorched earth and fucked the Na'vi up completely. They do not want to destroy the rest of the moon as they want to live there now.

>>212908720
I don't think so. Cameron has kept it fairly grounded so far. Having lightspeed whale ships would be overboard