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NASA
Procedural
Requirements

NPR 7123.1A
Effective Date: March 26, 2007
Expiration Date: March 26, 2012

COMPLIANCE IS MANDATORY

Subject: NASA Systems Engineering Processes and Requirements

Responsible Office: Office of the Chief Engineer

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NASA Interim Directive (NID) for NPR 7123.1A, NM 7123-68

Table of Contents

Preface

P.1 Purpose
P.2 Applicability and Scope
P.3 Authority
P.4 References
P.5 Measurement/Verification
P.6 Cancellation

Prologue

Chapter 1. Introduction

1.1 Background
1.2 Framework for Systems Engineering Procedural Requirements
1.3 Systems Engineering Management Plan
1.4 Document Organization

Chapter 2. Institutional and Programmatic Requirements

2.1 Roles and Responsibilities
2.2 Implementation Architecture
2.3 Designated Governing Authority

Chapter 3. Requirements for Common Technical Processes

3.1 Introduction
3.2 Process Requirements

Chapter 4. NASA Oversight Activities on Contracted Projects

4.1 Introduction
4.2 Activities Prior to Contract Award
4.3 During Contract Performance
4.4 Contract Completion

Chapter 5. Systems Engineering Technical Reviews

5.1 Life Cycle
5.2 Technical Review Requirements
5.3 Minimum Required Set of Technical Reviews

Chapter 6. Systems Engineering Management Plan

6.1 Systems Engineering Management Plan Function
6.2 Roles and Responsibilities

Appendix A. Definitions

Appendix B. Acronyms

Appendix C. Practices for Common Technical Processes

C.1 System Design Processes

C.2 Product Realization Processes

C.3 Technical Management Processes

Appendix D. Systems Engineering Management Plan

D.1 Purpose and Use
D.2 Terms Used
D.3 SEMP Preparation
D.4 SEMP Annotated Outline

Appendix E. Hierarchy of Related NASA Documents

Appendix F. Tailoring

Appendix G. Technical Review Entrance and Success Criteria

G.1 Program/System Requirements Review
G.2 Program Approval Review
G.3 Mission Concept Review
G.4 System Requirements Review
G.5 Mission Definition Review
G.6 System Definition Review
G.7 Preliminary Design Review
G.8 Critical Design Review
G.9 Production Readiness Review
G.10 System Integration Review
G.11 Test Readiness Review
G.12 System Acceptance Review
G.13 Operational Readiness Review
G.14 Flight Readiness Review
G.15 Post-Launch Assessment Review
G.16 Critical Event Readiness Review
G.17 Post-Flight Assessment Review
G.18 Decommissioning Review
G.19 Periodic Technical Review
G.20 Technical Peer Reviews

Appendix H. Templates

H-1 Sample SE NPR Implementation Plan Template
H-2 SE NPR Center Survey

Appendix I. Additional Reading

Table of Figures

Figure 1-1 - SE Framework
Figure 2-1 - Implementation Architecture
Figure 3-1 - SE Engine
Figure 3-2 - Application of SE Engine Processes within System Structure
Figure 5-1 - The NASA Program Life Cycle
Figure 5-2 - The NASA Project Life Cycle
Figure 5-3 - Product Line Technical Review Schedule
Figure A-1 - Product-Based WBS Model Example
Figure C-1 - Stakeholder Expectation Definition Process
Figure C-2 - Technical Requirements Definition Process
Figure C-3 - Logical Decomposition Process
Figure C-4 - Design Solution Definition Process
Figure C-5 -Sequencing of Product Realization Processes
Figure C-6 - Product Implementation Process
Figure C-7 - Product Integration Process
Figure C-8 - Product Verification Process
Figure C-9 - Product Validation Process
Figure C-10 - Product Transition Process
Figure C-11 - Technical Planning Process
Figure C-12 - Requirements Management Process
Figure C-13 - Interface Management Process
Figure C-14 - Technical Risk Management Process
Figure C-15 - Configuration Management Process
Figure C-16 - Technical Data Management Process
Figure C-17 - Technical Assessment Process
Figure C-18 - Decision Analysis Process

Table of Tables

Table G-1 - P/SRR Entrance and Success Criteria
Table G-2 - PAR Entrance and Success Criteria
Table G-3 - MCR Entrance and Success Criteria
Table G-4 - SRR Entrance and Success Criteria
Table G-5 - MDR Entrance and Success Criteria
Table G-6 - SDR Entrance and Success Criteria
Table G-7 - PDR Entrance and Success Criteria
Table G-8 - CDR Entrance and Success Criteria
Table G-9 - PRR Entrance and Success Criteria
Table G-10 - SIR Entrance and Success Criteria
Table G-11 - TRR Entrance and Success Criteria
Table G-12 - SAR Entrance and Success Criteria
Table G-13 - ORR Entrance and Success Criteria
Table G-14 - FRR Entrance and Success Criteria
Table G-15 - PLAR Entrance and Success Criteria
Table G-16 - CERR Entrance and Success Criteria
Table G-17 - PFAR Entrance and Success Criteria
Table G-18 - DR Entrance and Success Criteria
Table G-19 - Technology Readiness Levels

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