---
kind: "unit"
title: "18"
title_heading: "Crimes and Criminal Procedure"
key: "ptI/ch37"
level: "chapter"
label: "Chapter 37"
heading: "Espionage and Censorship"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/18/ptI-ch37"
sections_count: 11
---

# Chapter 37 — Espionage and Censorship

Title 18 — Crimes and Criminal Procedure › Part I — Crimes

## Sections

- [§791. Repealed.](/usc/18/791.md)
- [§792. Harboring or concealing persons](/usc/18/792.md)
- [§793. Gathering, transmitting or losing defense information](/usc/18/793.md)
- [§794. Gathering or delivering defense information to aid foreign government](/usc/18/794.md)
- [§795. Photographing and sketching defense installations](/usc/18/795.md)
- [§796. Use of aircraft for photographing defense installations](/usc/18/796.md)
- [§797. Publication and sale of photographs of defense installations](/usc/18/797.md)
- [§798. Disclosure of classified information](/usc/18/798.md)
- [§798A. Temporary extension of section 794](/usc/18/798A.md)
- [§798B. Unauthorized access to intelligence community property](/usc/18/798B.md)
- [§799. Violation of regulations of National Aeronautics and Space Administration](/usc/18/799.md)