NASA Abbreviations and Acronyms
- APMAscent Particle Monitor
- APMAssociate Program Manager
- APMAssistant Project Manager
- AQLAcceptance Quality Level
- ARAntireflection
- ARArchival Researcher
- ARRequest
- ARAs Required
- ARAcceptance Readiness
- ARAcceptance Review
- ARAtmospheric Revitalization
- ARAnomaly Report
- ARAvionics Ring
- ARAAttitude Reference Assembly
- ARAAuxiliary Recovery Antenna
- ARABSATSaudi Arabian Communications Satellite
- ARAPAstronaut Rescue Air Pack
- ARAPAeronautical Research Associates of Princeton
- ARARAccident Risk Assessment Report
- ARCAutomatic Responsivity Correction
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