When Jack tells his story (which he stole from a movie) of how he escaped from an African jungle tribe, he says that the tribe were Zulus. Zulus live in South Africa, which is far from the jungle.
When Joe walks into the office to ask if grandpa Jack is back yet you can see the set wall behind him as he opens the door.
It is clear that is is a wall and not the openness of the hanger.
It is clear that is is a wall and not the openness of the hanger.