; (B) recommendations for potential funding options; and (C) any necessary changes to improve the spaceport application review process. (2) Consultation In carrying out the study described in paragraph (1), the Comptroller General shall consult with sources from each component of the commercial space transportation sector, including interested persons in industry and government officials at the Federal, State, and local levels. (3) User-funded spaceports In reviewing funding options, the Comptroller General shall distinguish between spaceports that are funded by users and those that are not. (4) Report Not later than 1 year after the date of enactment of this Act, the Comptroller General shall submit to Congress a report containing results of the study conducted under paragraph (1). (e) Definition In this section, the term spaceport means a launch or reentry site that is operated by an entity licensed by the Secretary of Transportation. 581. Special rule for certain aircraft operations (space support vehicles) (a) Space support vehicle definitions Section 50902 of title 51, United States Code, is amended— (1) by redesignating paragraphs (21) through (25) as paragraphs (23) through (27), respectively; and (2) by inserting after paragraph (20) the following: (21) ‘space support vehicle flight’ means a flight in the air that— (A) is not a launch or reentry; but (B) is conducted by a space support vehicle. (22) ‘space support vehicle’ means a vehicle that is— (A) a launch vehicle; (B) a reentry vehicle