SpaceX's Falcon Heavy Rocket During Testing at Kennedy Space Center

In this photo released on January 2, 2018, SpaceX's Falcon Heavy rocket is pictured upright at Launchpad 39A at Kennedy Space Center in Florida as the company prepares for the rocket's maiden flight. With more than 5 million pounds of thrust at liftoff - equal to approximately eighteen 747 aircraft at full power - Falcon Heavy will be the most powerful operational rocket in the world by a factor of two. SpaceX/UPI