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Directives, Instructions, Specifications & Standards

of the Federal government, Department of Defense and other organizations

Directives, Instructions, Specifications & Standards

The U.S. Federal Government and other governing bodies issue a multitude of directives, instructions, specifications and standards for their  constituencies to follow; each having a different intention. 

Looking for a specific industry or military standard?  Check out the Standards & Handbooks tab on the Systems Engineering Subject Guide.

Directives: broad policy documents containing what is required by legislation, the President, or the Secretary of Defense to initiate, govern, or regulate actions or conduct.  (Washington Headquarters Services)

Instructions: issuance that implements the policy, or prescribes the manner or a specific plan or action for carrying out the policy, operating a program or activity, and assigning responsibilities. (Washington Headquarters Services)

Specifications: outline requirements for specific items or services. (Yale University)

Standards: is a Publication of technical directions and regulatory material. (Washington Headquarters Services)

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