; and (ii) if the reduction under clause (i) is insufficient, shall proportionally reduce grants issued under subsection (d). (g) Definitions In this section: (1) Covered transportation activity The term covered transportation activity means the movement of people or property to, from, or within a launch site and the necessary or incidental activities associated with such movement through the use of— (A) a vehicle (as defined in section 4 of title 1, United States Code); (B) a vessel (as defined in section 3 of title 1, United States Code); (C) a railroad (as defined in section 20102 of title 49, United States Code); (D) an aircraft (as defined in section 40102 of title 49, United States Code); or (E) a pipeline facility (as defined in section 60101 of title 49, United States Code). (2) Launch; launch site; launch vehicle; reentry site; reentry vehicle The terms launch , launch site , launch vehicle , reentry site , and reentry vehicle have the meanings given those terms in section 50902 of title 51, United States Code. (3) Operator The term operator means a person licensed by the Secretary to operate a launch or reentry site. (4) Qualified entity The term qualified entity means a State, local, territorial, or Tribal government or private sector entity, or any combination thereof. (5) Secretary The term Secretary means the Secretary of Transportation. (h) Pilot program sunset This section shall cease to be effective on October 1, 2028.