---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch41/schII"
level: "subchapter"
label: "Subchapter II"
heading: "Matters Relating to Security"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/50/ch41-schII"
sections_count: 6
---

# Subchapter II — Matters Relating to Security

Title 50 — War and National Defense › Chapter 41 — National Nuclear Security Administration

## Sections

- [§2421. Protection of national security information](/usc/50/2421.md)
- [§2422. Office of Defense Nuclear Security](/usc/50/2422.md)
- [§2423. Counterintelligence programs](/usc/50/2423.md)
- [§2424. Procedures relating to access by individuals to classified areas and information of Administration](/usc/50/2424.md)
- [§2425. Government access to information on Administration computers](/usc/50/2425.md)
- [§2426. Congressional oversight of special access programs](/usc/50/2426.md)