Title 51National and Commercial Space ProgramsRelease 119-73

§51101 Definitions

Title 51 › Subtitle Subtitle V— - Programs Targeting Commercial Opportunities › Chapter CHAPTER 511— - SPACE TRANSPORTATION INFRASTRUCTURE MATCHING GRANTS › § 51101

Last updated Apr 6, 2026|Official source

Summary

Sets what key words mean here and who can apply for federal help. It uses the definitions in section 50501. Commercial space transportation infrastructure development means building, improving, designing, or engineering U.S. spaceport facilities and doing technical studies to plan them. A project is one or more related development tasks submitted together, often for work at a site in a fiscal year. A project grant is money the Secretary of Transportation gives to a sponsor. A public agency is a State, a state agency, a local government, or a tax-supported organization. A sponsor is a public agency that applies, alone or with others, for a project grant.

Full Legal Text

Title 51, §51101

National and Commercial Space Programs — Source: USLM XML via OLRC

In this chapter—
(1)the definitions in section 50501 of this title apply.
(2)“commercial space transportation infrastructure development” includes—
(A)construction, improvement, design, and engineering of space transportation infrastructure in the United States; and
(B)technical studies to define how new or enhanced space transportation infrastructure can best meet the needs of the United States commercial space transportation industry.
(3)“project” means a project (or separate projects submitted together) to carry out commercial space transportation infrastructure development, including the combined submission of all projects to be undertaken at a particular site in a fiscal year.
(4)“project grant” means a grant of an amount by the Secretary of Transportation to a sponsor for one or more projects.
(5)“public agency” means a State or an agency of a State, a political subdivision of a State, or a tax-supported organization.
(6)“sponsor” means a public agency that, individually or jointly with one or more other public agencies, submits to the Secretary under this chapter an application for a project grant.

Legislative History

Notes & Related Subsidiaries

Historical and Revision Notes

Revised SectionSource (U.S. Code)Source (Statutes at Large) 7030115:5804(a).Nov. 4, 1992, Pub. L. 102–588, § 505(a), 106 Stat. 5124. Clause (1) is added to incorporate the definitions in 15:5802. In clause (2), the word “includes” is substituted for “may include” for consistency in the revised title and with other titles of the United States Code. In clause (5), the words “municipality or other” are omitted for consistency. The text of 15:5804(5) is omitted as unnecessary because the complete name of the Secretary of Transportation is used the first time the term appears in a section.

Editorial Notes

Amendments

2010—Pub. L. 111–314, § 4(d)(2), (4)(A), successively renumbered section 70301 of title 49 and section 70301 of this title as this section. Par. (1). Pub. L. 111–314, § 4(d)(6)(A), substituted “section 50501 of this title” for “section 502 of the National Aeronautics and Space Administration Authorization Act, Fiscal Year 1993 (15 U.S.C. 5802)”.

Reference

Citations & Metadata

Citation

51 U.S.C. § 51101

Title 51National and Commercial Space Programs

Last Updated

Apr 6, 2026

Release point: 119-73