A rocket launch is the takeoff phase of the flight of a rocket. Launches for orbital spaceflights, or launches into interplanetary space, are usually from a fixed location on the ground, but may also be from a floating platform (such as the Sea Launch vessel) or, potentially, from a superheavy An-225-class airplaneLaunches of suborbital flights (including missile launches), can also be from:a missile siloa mobile launcher vehiclea submarineair launch:from a plane (e.g.