It was a struggle getting some parts of the exhibit setup, including opening the payload bay doors. They were not designed to be opened in 1G (one gravity). However, even after threats from Kennedy Space Center Director and former astronaut Bob Cabana to not mess it up, they got it right.

It was a struggle getting some parts of the exhibit setup, including opening the payload bay doors. They were not designed to be opened in 1G (one gravity). However, even after threats from Kennedy Space Center Director and former astronaut Bob Cabana to not mess it up, they got it right.