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Acronyms

A-M
AiInherent Availability
AoOperational Availability
AoAAnalysis of Alternatives / Angle of Attack
AFMETCALAir Force Metrology and Calibration Program
ALTAccelerated Life Testing
ARCAir Reserve Component
APBAcquisition Program Baseline
APIApplication Program Interface
ASTRAccelerated Stress Testing and Reliability
ATEAutomatic Test Equipment
ATMLAutomated Test Markup Language
BCSBaseline Comparison System
BISTBuilt-In Self-Test
BITBuilt-In Test
BITEBuilt-In Test Equipment
BIT/FDBuilt-In-Test Fault Detection
CACriticality Analysis
CALSContinuous Acquisition and Life-Cycle Support
CBITContinuous Built-In Test
CBM/CBMACondition-Based Maintenance or Condition-Based Monitoring
CBM+Condition-Based Maintenance Plus (Enhanced by DoD Directives)
CCACommon Cause Analysis / Circuit Card Assembly
CDRCritical Design Review
CFEContractor Furnished Equipment or Customer Furnished Equipment
CFICritical Faults Identified
CIFCritical Importance Factor
CMCorrective Maintenance / Condition Monitoring / Configuration Management
CMMSComputer Maintenance Management System
CMRSCalibration and Measurement Requirements Summary
CNDCan Not Duplicate
CPICost Performance Index
COMRCommunications Reliability
CONOPSConcept of Operations
COTSCommercial Off-the-Shelf
CPINComputer Program Identification Number
DOOperational Dependability
DEDiagnostic Engineering
DFDDesign for Diagnosability
DFIDesktop Fault Insertion
DFMATDesign for Manufacturability & Test
DFTDesign for Test (some also refer to this as Design for Testability)
DFTDynamic Fault Tree
DIFDiagnostic Importance Factor
DiagMLDiagnostic Modeling Language
DISNDefense Information Switch Network
DOCDesignated Operational Capability
DoDUnited States Department of Defense
DPHMDiagnostics, Prognostics & Health Management
DRMPDesign Reference Mission Profile
DT&EDevelopmental Test and Evaluation
ESRTEssential System Repair Time
ECEnterprise Commander
ECNEngineering Control Number
ECPEngineering Change Proposal
ECREngineering Change Request
ECRBEngineering Change Review Board
ERBEngineering Review Board
ESSEnvironmental Stress Screening
FAFalse Alarm
FAPFunctional Area Plan
FARFalse Alarm Rate / Federal Aviation Regulation
FATFunctional Acceptance Test / File Allocation Table
FDFault Detection
FD/FIFault Detection & Fault Isolation
FDIFault Detection & Fault Isolation
FDRFinal Design Review
FHAFunctional Hazard Analysis
FIFault Isolation
FITFactory Integration & Test
FMCFully Mission Capable
FFMEAFunctional Failure Mode Effects Analysis
FMEAFailure Mode Effects Analysis
FMECAFailure Mode Effects and Criticality Analysis
FMEDAFailure Mode Effects and Diagnostic Analysis
FOMFigure of Merit
FRFault Resolution
FRACASFailure Reporting and Corrective Action System
FSAFalse System Aborts
FSLFull System List
FTAFault Tree Analysis
FTEFactory Test Equipment
FUIFailures Uniquely Isolated
GFEGovernment Furnished Equipment
GFPGovernment Furnished Property
GIDEPGovernment-Industry Data Exchange Program
HAHazard Analysis
HALTHighly Accelerated Life Testing
HASSHighly Accelerated Stress Screen
HMHealth Management
HRAHazardous Risk Analysis
IBITInitiated Built-In Test
ICBMIntercontinental Ballistic Missile
IDIntegrated Diagnostics
IETMInteractive Electronic Technical Manual
IFRIn-flight Reliability
ILSIntegrated Logistics Support
IMPACTSIntegrated Manpower, Personnel, and Comprehensive Training and Safety
INCOSEInternational Council on Systems Engineering
IoTInternet of Things
IRADIndependent Research and Development
IRSPIn-Place Readiness Spares
ISDDIntegrated System Diagnostic Design
ISHMIntegrated System Health Management
ISOInternational Standards Organization
IT&EIntegration, Test and Evaluation
IVHMIntegrated Vehicle Health Management
JCALSJoint Computer-Aided Acquisition and Logistics Support
JPAJob Performance Aid
JTAGJoint Test Action Group
KPIKey Performance Indicator
KPMKey Performance Metric
KPPKey Performance Parameter
LCCLife Cycle Cost
LCCALife Cycle Cost Analysis
LCNLogistics Control Number
LOCLines of Code
LORALevel Of Repair Analysis
LRLaunch Reliability
LRMLine Replaceable Module
LRULine Replaceable Unit
LSALogistics Support Analysis
LSARLSA Record
MAJCOMajor Command
MAPMission Area Plan
MBEModel Based Engineering
MBITMaintenance Built-in Test
MBRModel Based Reasoner
MBSEModel Based System Engineering
MCMission Capable
MCMTMean Corrective Maintenance Time
MCTIMean Cost To Isolate
MCTRMean Cost To Repair / Mean Cost To Replace
MDTMean Downtime
MEFLMission Essential Functions List
MESLMinimum-Essential Subsystem List
MLH/AHMaintenance Labor Hours per Active Hour
MMH/FHMaintenance Man-Hours per Flying Hour
MMH/LUMaintenance Man-Hours per Life Unit
MMH/PHMaintenance Man-Hours per Possessed Hours
MMTMean Maintenance Time
MMY/LMaintenance Man Years per Launch
MNSMission Needs Statement
MPMission Profile
MP/UMaintenance Personnel per Operational Unit
MOTSModified Off-the-Shelf / Modifiable Off-the-Shelf / Military Off-the-Shelf
MRMaintenance Ratio
MRSMobility Requirements Study
MRSPMobility Readiness Spares Package
MRTMean Repair Time
MSMTMean Scheduled Maintenance Time
MTBCFMean Time Between Critical Failure
MTBDEMean Time Between Downing Event
MTBFMean Time Between Failures
MTBFAMean Time Between False Alarms
MTBMMean Time Between Maintenance
MTBMAMean Time Between Maintenance Actions
MTBPMMean Time Between Preventative Maintenance
MTBSAMean Time Between System Aborts
MTBRMean Time Between Removal
MTBUMMean Time Between Unscheduled Maintenance
MTBSMMean Time Between Scheduled Maintenance
MTDMaintenance Training Device
MTTFMean Time to Failure
MTTIMean Time to Isolate
MTTRMean Time to Repair / Mean Time to Replace
MTTRFMean Time to Restore Function
MTTRSMean Time to Restore System
N-Z
NFFNo Fault Found
NMCNot Mission Capable
NMCBNot Mission Capable Both
NMCMNot Mission Capable Maintenance
NMCMUNot Mission Capable Maintenance Unscheduled
NMCSNot Mission Capable Supply
NOTSNATO Off-the-Shelf
O&MOperations and Maintenance
O&SOperating & Support
OMOpportunistic Maintenance
OMSOperational Mission Summary
ORDOperational Requirements Document
OT&EOperational Test and Evaluation
PBLPerformance Based Logistics
PCBPrinted Circuit Board
PdMPredictive Maintenance
PoFProbability of Failure / Physics of Failure
PRAProbabilistic Risk Assessment
PBRAProbabilistic-Based Risk Assessment
PDRPreliminary Design Review
PHPossessed Hours
PHAPreliminary Hazard Analysis
PHMPrognostic Health Management
PHS&TPackaging, Handling, Storage and Transportation
PMPreventive Maintenance
PMAPortable Maintenance Aid
PMCPartially Mission Capable
PMELPrecision Measurement Equipment Laboratory
PMFLPerformance Monitoring and Fault Localization
PMPPlanned Maintenance Percentage
POSTPower On Self-Test
PSAProbabilistic Safety Assessment
PSMPProduct Support Management Plan
QUnreliability / Probability of Failure (PoF)
RReliability / Probability of Success
R&MReliability & Maintainability
RAARequired Asset Availability
RAMReliability, Availability, and Maintainability
RAMSReliability, Availability, Maintainability, and Supportability
RAMTReliability, Availability, Maintainability, and Testability
RAWRisk Achievement Worth
RBDReliability Block Diagram
RBMRisk Based Maintenance
RCARoot Cause Analysis
RCCARoot Cause Corrective Action
RCMReliability-Centered Maintenance
RDGTReliability Demonstration and Growth Test
REResponsible Engineer
REAResponsible Engineering Authority
RIFRisk Increase Factor
RMAReliability, Maintainability, and Availability
RM&DReliability, Maintainability, and Deployability
RPNRisk Priority Number
RSPReadiness Spares Package
RTATRun-Time Authoring Tool
R&DResearch and Development
R&RRemove and Replace
RmMission Reliability
RRWRisk Reduction Worth
RSRRe-Entry System Reliability
RTFRun To Failure
RTOCReduction Total Ownership Costs
RTOKRetest OK
SASystem Aborts
SARStrategic Alert Reliability / Software Anomaly Report / Safety Assessment Report
SCNSpecification Change Notice
SDTSignal Detection Theory
SESupport Equipment / System Engineering / Specialty Engineering
SFESupplier Furnished Equipment
SGMLStandard Generalized Markup Language
SHMSystem Health Management
SILSoftware Integration Lab
SLAService Level Agreement
SLOCSoftware Lines of Code
SMSingle Manager
SMESubject Matter Expert
SORAPSource of Repair Assignment Process
SOWStatement of Work
SPFSingle Point Failure
SPFMSingle Point Failure Mode
SPISchedule Performance Index
SRAShop Replaceable Assembly
SRSSoftware Requirement Specification
SRRSystem Requirements Review
SRUShop Replaceable Unit
SSPPSystem Safety Program Plan
STESupport Test Equipment / Special Test Equipment
STTStrategy-To-Task
SYSMLSystem Modeling Language
T&ETest and Evaluation
TCTOTime Compliance Technical Order
TIMTechnical Interchange Meeting
TOTechnical Order
TPMTotal Productive Maintenance or Technical Performance Metrics
TPSTest Program Set
TPSSTest Program Set Specification
TRDTest Requirements Document
UASUnmanned Aircraft System
UAVUnmanned Air Vehicle
UMLUnified Modeling Language
UTEUtilization Rate
URUtilization Rate (as used in formulas)
UTRUptime Ratio
UUTUnit Under Test
VHMVehicle Health Management
V&VVerification and Validation
WRAWeapon Replaceable Assembly
WSRWeapon System Reliability
WUCWork Unit Code
XMIXML Meta-data Interchange format
XMLeXtensible Markup Language
XSLeXtensible Stylesheet Language

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