---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch20"
level: "chapter"
label: "Chapter 20"
heading: "Wind Tunnels"
release: "119-102"
url: "https://uscodex.org/usc/50/ch20"
sections_count: 9
---

# Chapter 20 — Wind Tunnels

Title 50 — War and National Defense

## Contents

- [Subchapter I — Construction of Wind-Tunnel Facilities](/usc/50/ch20-schI.md)
- [Subchapter II — Air Engineering Development Center](/usc/50/ch20-schII.md)