 Maiden crew spent 378 days in the space of 17,000 square feet to simulate a mission to the red planet. The crew simulated spacewalks, even grew and harvested their own vegetables. Jason Walker reporting. After a historically bad first half of the year, the box office is suddenly booming. The Illumination animation sequel, Despicable Me 4, led the way over the holiday weekend with $75 million in ticket sales since Friday.