I've also wondered about this, but its also true that they work on an 18 hour day, which is also clearly terrible. Submariner above says that they are always "s

I've also wondered about this, but its also true that they work on an 18 hour day, which is also clearly terrible. Submariner above says that they are always "semi-fatigued". I don't think it's unbelievable that they are operating impaired.