An official website of the United States government

Here's how you know

Official websites use .mil

A .mil website belongs to an official U.S. Department of Defense organization in the United States.

Secure .mil websites use HTTPS

A lock () or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Army Regulations

These linked regulations are physically stored and maintained on the Army Publishing Directorate website (www.apd.army.mil).They are Adobe PDF files and Adobe Reader is necessary to view them.

AR 870-5 | Military History: Responsibilities, Policies, and Procedures
( PDF 225KB )
AR 870-20 | Army Museums, Historical Artifacts, and Art
( PDF 421KB )
AR 870-21 | The U.S. Army Regimental System
( PDF 168KB )
AR 220-5 | Designation, Classification, and Change in Status of Units
( PDF 33KB )
ATP 1-20 (FM 1-20) | Military History Operations
( PDF 1.6MB )

Army Regulations

Web Policy | Information Quality | Plain Writing | Privacy Program | No FEAR Act | FOIA | Open GOV | Strategic Plan | USA.gov