https://www.reuters.com/article/us-space-exploration-spacex/elon-musks-spacex-sends-worlds-most-powerful-rocket-on-first-commercial-flight-idUSKCN1RN32J >The most powerful operational rocket in the world, SpaceX’s Falcon Heavy, launched its first commercial mission on Thursday from Florida in a key demonstration for billionaire entrepreneur Elon Musk's space company in the race to grasp lucrative military launch contracts.