1. Short title This Act may be cited as the Secure U.S. Leadership in Space Act of 2024 . 2. Spaceports are treated like airports under exempt facility bond rules (a) In general Section 142(a)(1) of the Internal Revenue Code of 1986 is amended to read as follows: (1) airports and spaceports, . (b) Treatment of ground leases Section 142(b)(1) of such Code is amended by adding at the end the following new subparagraph: (C) Special rule for spaceport ground leases For purposes of subparagraph (A), spaceport property located on land leased by a governmental unit from the United States shall not fail to be treated as owned by a governmental unit if the requirements of this paragraph are met by the lease and any subleases of the property. . (c) Definition of spaceport Section 142 of such Code is amended by adding at the end the following new subsection: (p) Spaceport (1) In general For purposes of subsection (a)(1), the term spaceport means any facility located at or in close proximity to a launch site or reentry site used for— (A) manufacturing, assembling, or repairing spacecraft, space cargo, other facilities described in this paragraph, or any component of the foregoing, (B) flight control operations, (C) providing launch services and reentry services, or (D) transferring crew, spaceflight participants, or space cargo to or from spacecraft. (2) Additional terms For purposes of paragraph (1)— (A) Space cargo The term space cargo includes satellites, scientific experiments, other property transported into space, and any other type of payload, whether or not such property returns from space. (B) Spacecraft The term spacecraft means a launch vehicle or a reentry vehicle. (C) Other terms The terms launch , launch site , crew , space flight participant , launch services , launch vehicle , payload , reenter , reentry services , reentry site , a reentry vehicle shall have the respective meanings given to such terms by section 50902 of title 51, United States Code (as in effect on the date of enactment of this subsection).