Falcon Heavy is a reusable heavy-lift launch vehicle designed and made by SpaceX. It is inspired from the Falcon 9 vehicle. This increases the low Earth orbit (LEO) maximum payload to , compared to for a Falcon 9 Full Thrust, for Delta IV Heavy, for the Space Shuttle and for Saturn V. Falcon Heavy is the world's fourth-highest capacity rocket ever built, after Saturn V, Energia and N1, and the most powerful rocket in operation as of 2020.