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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 14
Chapter III
Part 431 - PART 431—LAUNCH AND REENTRY OF A REUSABLE LAUNCH VEHICLE (RLV)
Subpart A [§ 431.1 - § 431.20] - Subpart A—General
Subpart B [§ 431.21 - § 431.30] - Subpart B—Policy Review and Approval for Launch and Reentry of a Reusable Launch Vehicle
Subpart C [§ 431.31 - § 431.50] - Subpart C—Safety Review and Approval for Launch and Reentry of a Reusable Launch Vehicle
Subpart D [§ 431.51 - § 431.70] - Subpart D—Payload Reentry Review and Determination
Subpart E [§ 431.71 - § 431.90] - Subpart E—Post-Licensing Requirements—Reusable Launch Vehicle Mission License Terms and Conditions
Subpart F [§ 431.91 - § 431.93] - Subpart F—Environmental Review
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