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   Data updated: 12 Jan 2026. Home |  About Quick Search |  ASSIST |  ASSIST Updates Document Details

Document ID:   MIL-HDBK-520       Scroll down to access document images

Overview
Title:  Systems Requirements Document Guidance
Scope:  This handbook contains guidance for preparation of a System Requirements Document (SRD) using established Systems Engineering (SE) processes. It contains a generic SRD template with guidance and standard SRD format. It is meant to be used as a guide to translate warfighter capabilities into acquisition requirements for a system or subsystem in any program Milestone (MS) or phase. The SE processes and principles found in this guidance are equally applicable to any DoD program/project. This handbook is for guidance only and cannot be cited as a requirement.
Status:  Active Document Date:  13-APR-2023      
  Next Review Due:  11-APR-2028
SESS Doc Category:   Department of Defense Handbook  

Responsibilities
Lead Standardization Activity:  SE  Director, Systems Engineering  
  Preparing Activity: 11  Air Force Life Cycle Management Center - Aircraft Systems
Coordination:  Full  
Army Custodian:  AR   US Army Combat Capabilities Development Command, Armaments Center  
Navy Custodian:  SH   Naval Sea Systems Command (Ship Systems)  
Air Force Custodian:  11   Air Force Life Cycle Management Center - Aircraft Systems  

Changes to military standards or handbooks issued after August 1, 2003 are incorporated in the modified document.
Revision History Click on column headings for a description of column content.
MediaDocument Part DescriptionDist StmtDocument DatePagesSize
Document ImageRevision A Notice 1 - ValidationA13-APR-202312.0 KB
Document ImageRevision A A19-DEC-201146362.9 KB
Document ImageBase Document A05-MAR-201077486.9 KB

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