MIL-HDBK-2165, DEPARTMENT OF DEFENSE TESTABILITY PROGRAM FOR SYSTEMS AND EQUIPMENTS (31 JUL 1995) [SUPERSEDING MIL-STD-2165A]., This standard prescribes a uniform approach to testability program planning, establishment of diagnostic concepts and testability (including BIT) requirements, testability and test design and assessment, and requirements for conducting testability program review