Launch
Launch means to place or try to place a launch vehicle or reentry vehicle and any payload or human being from Earth in a suborbital trajectory, in Earth orbit in outer space, or otherwise in outer space, including activities involved in the preparation of a launch vehicle or payload for launch, when those activities take place at a launch site in the United States.
Source
14 CFR § 401.7
Scoping language
For the purposes of this chapter unless otherwise excepted, the following definitions apply: