---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch155"
level: "chapter"
label: "Chapter 155"
heading: "Aeronautics and Space Activities"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch155"
sections_count: 28
---

# Chapter 155 — Aeronautics and Space Activities

Title 42 — The Public Health and Welfare

## Sections

- [§17702. Transferred](/usc/42/17702.md)

## Contents

- [Subchapter I — Earth Science](/usc/42/ch155-schI.md)
- [Subchapter II — Aeronautics](/usc/42/ch155-schII.md)
- [Subchapter III — Exploration Initiative](/usc/42/ch155-schIII.md)
- [Subchapter IV — Space Science](/usc/42/ch155-schIV.md)
- [Subchapter V — Space Operations](/usc/42/ch155-schV.md)
- [Subchapter VI — Education](/usc/42/ch155-schVI.md)
- [Subchapter VII — Near-Earth Objects](/usc/42/ch155-schVII.md)
- [Subchapter VIII — Commercial Initiatives](/usc/42/ch155-schVIII.md)
- [Subchapter IX — Revitalization of Nasa Institutional Capabilities](/usc/42/ch155-schIX.md)
- [Subchapter X — Other Provisions](/usc/42/ch155-schX.md)