SpaceX's mighty Falcon Heavy rocket blasts off on a secret mission
When SpaceX hurled its whopping rocket into the sky Tuesday morning, that was likely the last time Elon Musk could boast he had the most powerful rocket in use — at least for the time being.
The Falcon Heavy, with 27 engines firing from a trio of boosters, launched a secret national security mission for the U.S. Space Force....
