A SpaceX Super Heavy rocket will launch a Starship prototype on its tenth test flight, designated IFT-10 (Integrated Flight Test). Starship will perform a payload deployment test with 8 Starlink v3 simulators and a relight of a single Raptor engine while in space. Super Heavy will perform a water landing in the Gulf of Mexico. The booster/ship combination is designated as B15/S37, both of the Block 2 variant.