SpaceX’s Falcon Heavy rocket for the ViaSat 3 Americas mission inside the hangar at Launch Complex 39A. The three Falcon Heavy boosters will be powered by 27 kerosene-fueled Merlin engines. Credit: SpaceX
SpaceX rolled a Falcon Heavy rocket back to its launch pad in Florida Tuesday night for liftoff Wednesday with a high-power Viasat broadband satellite, following an eight-day delay for a launch vehicle engine swap.