scope:

This standard establishes the technical content requirements for the preparation of introductory information with theory of operation for weapon systems and equipment Technical Manuals (TMs) and Depot Maintenance Work Requirements (DMWRs). These requirements are applicable for both paper and digital page-oriented TMs. Electronic delivery of TMs is accomplished through the use of the Introductory Information With Theory of Operation modular Document Type Definition (DTD). The DTD is available in a digital format. Refer to MIL-STD-40051 for information on obtaining this DTD. Introductory information with theory of operation requirements include applicable forms and records, descriptive information about the equipment or weapon system and an explanation of how the equipment or weapon system accomplishes its mission.