---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch43/schI"
level: "subchapter"
label: "Subchapter I"
heading: "Proliferation Security Initiative"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/50/ch43-schI"
sections_count: 2
---

# Subchapter I — Proliferation Security Initiative

Title 50 — War and National Defense › Chapter 43 — Preventing Weapons of Mass Destruction Proliferation and Terrorism

## Sections

- [§2911. Proliferation Security Initiative improvements and authorities](/usc/50/2911.md)
- [§2912. Authority to provide assistance to cooperative countries](/usc/50/2912.md)