- 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 )