Raptor will be used in both stages of the two-stage-to-orbit, super-heavy-lift Starship system[1] launch vehicle,[15] which is designed to replace all existing SpaceX vehicles, including the Falcon 9 and Falcon Heavy launch vehicles and the SpaceX Dragon 2.[16] As part of Starship, Raptor engines are expected to be used in various applications, including Earth-orbit satellite delivery market, deployment of a large portion of SpaceX's own Starlink megaconstellation, and the exploration and eventual colonization of Mars.[4]