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NPR 7123.1D
Effective Date: July 05, 2023
Expiration Date: July 05, 2028
Printable Format (PDF)

Subject: NASA Systems Engineering Processes and Requirements Updated w/Change 2

Responsible Office: Office of the Chief Engineer

| TOC | ChangeLog | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | Chapter6 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | AppendixJ | AppendixK | ALL |

Appendix B. Acronyms

AO Announcement of Opportunity
APPEL Academy of Program/Project and Engineering Leadership
ASM Acquisition Strategy Meeting
CDR Critical Design Review
CERR Critical Event Readiness Review
CMMI Capability Maturity ModelĀ® IntegrationSM
ConOps Concept of Operations
COTS Commercial Off the Shelf
CPD Center Policy Directive
CPR Center Procedural Requirements
CPU Central Processing Unit
CRM Continuous Risk Management
DCR Design Certification Review
DR Decommissioning Review
DRR Disposal Readiness Review
EEE Electrical, Electronic, and Electromechanical
EMC Electromagnetic Compatibility
EMI Electromagnetic Interference
ETA Engineering Technical Authority
FA Formulation Agreement
FAD Formulation Authorization Document
FMEA/CIL Failure Mode and Effects Analysis/Critical Items List
FMECA Failure Mode, Effects, and Criticality Analysis
FRR Flight Readiness Review
GIDEP Government-Industry Data Exchange Program
GOTS Government Off-the-Shelf
HSI Human Systems Integration
HSIP Human Systems Integration Plan
ILSP Integrated Logistics Support Plan
IMS Integrated Master Schedule
IP Institutional Projects
IT Information Technology
JCL Joint Confidence Level
JPL Jet Propulsion Laboratory
KDP Key Decision Point
KPP Key Performance Parameter
LRR Launch Readiness Review
MCR Mission Concept Review
MD Mission Directorate
MDAA Mission Directorate Associate Administrator
MDR Mission Definition Review
MOE Measure of Effectiveness
MOP Measure of Performance
MOTS Modified Off the Shelf
MRR Mission Readiness Review
MSD Mission Support Directorate
NODIS NASA On-Line Directives Information System
NPD NASA Policy Directive
NPR NASA Procedural Requirements
NTIA National Telecommunications and Information Administration
OCE Office of the Chief Engineer
OCHMO Office of the Chief Health and Medical Officer
OpsCon Operations Concept
ORR Operational Readiness Review
OSMA Office of Safety and Mission Assurance
PCA Program Commitment Agreement
PDR Preliminary Design Review
PFAR Post-Flight Assessment Review
PIR Program Implementation Review
PLAR Post-Launch Assessment Review
PM Program or Project Manager
PMC Program Management Committee
PRA Probabilistic Risk Assessment
PRR Production Readiness Review
PSR Program Status Review
RF Radio Frequency
RFA Request for Action
RID Review Item Discrepancy
RIDM Risk-Informed Decision Making
SMA Safety and Mission Assurance
SAR System Acceptance Review
SCRM Supply Chain Risk Management
SDR System Definition Review
SE Systems Engineering
SE NPR Systems Engineering NASA Procedural Requirements
SEMP Systems Engineering Management Plan
SIR System Integration Review
ST/SL Senior Technical/Senior Level
SMSR Safety and Mission Success Review
SP Special Publication
SRB Standing Review Board
SRR System Requirements Review
TA Technical Authority
TBD To Be Determined
TBR To Be Resolved
TPM Technical Performance Measure
TRL Technology Readiness Level
TRR Test Readiness Review
U.S.C. United States Code
V&V Verification and Validation

| TOC | ChangeLog | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | Chapter6 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | AppendixJ | AppendixK | ALL |
| NODIS Library | Program Formulation(7000s) | Search |


This document does not bind the public, except as authorized by law or as incorporated into a contract. This document is uncontrolled when printed. Check the NASA Online Directives Information System (NODIS) Library to verify that this is the correct version before use: https://nodis3.gsfc.nasa.gov.