51 U.S.C. § 70103 - U.S. Code - Unannotated Title 51. National and Commercial Space Programs § 70103. Commercial payloads on space launch system

(1) Launch vehicle.--The term “launch vehicle” means any vehicle constructed for the purpose of operating in, or placing a payload in, outer space.

(2) Payload.--The term “payload” means an object which a person undertakes to place in outer space by means of a launch vehicle, and includes subcomponents of the launch vehicle specifically designed or adapted for that object.

(1) the payload requires the unique capabilities of the space launch system; or

(2) launching of the payload on the space launch system is important for either national security or foreign policy purposes.