本文件规定了NASA计划和项目的技术目标和相关策略，用于规划、执行和评估可靠性和可维护性（R&M）。这些目标包括对影响可靠性的项目和计划的综合考虑，以及R&M技术规程的具体活动。这些考虑因素与航天系统设计、评估和运行期间的研发有关，并为规划和审查整个生命周期内的相关工程和保证活动制定了指南。 这套目标、战略和实施指南旨在促进在实现所有计划和项目的R&M目标方面实现高水平的技术卓越。

This document specifies technical objectives and related strategies for NASA programs and projects to be used in planning, executing and evaluating Reliability and Maintainability (R&M). These objectives include a comprehensive set of considerations for projects and programs utilized as specified that impact reliability, as well as the specific activities for the R&M technical discipline. These considerations relate to R&M during the design, evaluation, and operation of spaceflight systems, and establish guidelines for the planning and review of related engineering and assurance activities across the lifecycle. This set of objectives, strategies and implementation guidelines are intended to promote a high level technical excellence in achieving R&M goals for all programs and projects.