NASA Acronyms

Alphabetical Listing of NASA Acronyms

• R — Roll
• R — Yaw Rankine Rate
• R — LEO Request Liaison Engineering Order
• R — LSS Regenerative Life Support System
• R — BARRadius Vector Axis
• R — DOTRange Rate To Target
• R — ETSReconfigurable Electrical Test Stand
• R — ETSReconfiguration Electrical Test Stand
• R — IMPMinimum Range To Avoid Plum Impingement
• R&CC — Recorder And Communication Control
• R&D — Research And Development
• R&DO — Research And Development Operations (MSFC)
• R&OA — Reliability And Quality Assurance
• R&P — Reserve And Process
• R&PM — Research And Program Management
• R&R — Remove And Replace
• R&R — Rendezvous And Recovery
• R&Z — Range And Zero
• R-T — Resistance Test
• R/A — Radar Altimeter
• R/C — Radio Command
• R/C — Rate Of Climb
• R/C — Remote Control
• R/D — Rate Of Descent
• R/E — Reentry
• R/I — Receiving Inspection
• R/L — Rate/Limited
• R/L — Remote/Local
• R/O — Rollout
• R/S — Range Safety
• R/S — RedundantSet
• R/T — Real Time
• R/T — Receiver/Transmitter
• R/W — Read/Write
• R/W — Runway
• RA — Radar Altimeter
• RA — Radar Altimeter (R/A Preferred)
• RA — Radium
• RA — Range Area
• RA — Right Aft
• RA — Right Ascension
• RAAB — Remote Amplifier Acquisition And Advisory Box
• RAAB — Remote Amplifier And Adoption Box
• RAAB — Remote Application And Advisory Box
• RAC — ReliabilitY Action Center
• RACS — Rotation Axis Coordin
• RACS — Remote Automatic Calibration System
• RACU — Remote Acquisition And Command Unit
• RAD — Radar
• RAD — Radian
• RAD — Radiation Dosage
• RAD — Radiation Equivalent Dose
• RAD — Radius
• RAD — Roentgen Absorbed Dosage
• RADAR — Radio Detecting And Ranging
• RADCC — Radiation Control Center
• RAE — Radio Astronomy Explorer
• RAF — Requirements Analysis Form
• RAG — Reusable Agenda
• RAHF — Research Animal Holding Facility
• RAI — Radar Altimeter Indicator
• RAI — Rofl Attitude Indicator
• RAL — ResPonsibiiitV Aslignment List
• RALPH — Reduction And Acquisition Of Lunar Pulse Heights
• RALT — Radar Altimeter
• RAM — Radar Absorption Material
• RAM — Random Access Memory
• RAM — Random-access Memory
• RAM — Research And Applications Module
• RAM — Responsibility Assignment Matrix
• RAMA — Recap And Movement Authorization
• RANC — Radar Absorption Noise And Clutter
• RANN — Research Applied To National Needs
• RAPCON — Radar Approach And Control
• RAPS — Right AFT Propulsion System
• RAS — Requirements Allocation Sheet
• RATCC — Radar Air Traffic Control Center
• RAU — Remote Acquisition Unit
• RAU — Remote Acquisition Unit
• RAUIS — Remote Acquisition Unit Interconnecting Station
• RAX — Remote Access Computing System
• RAX — Remote Access Terminal
• RB — Radar Beacon
• RBA — Radar Beacon Antenna
• RBC — Red Blood Cells
• RBC — Rotating Beam Ceilometer
• RBDE — Radar Bright Display Equipment
• RBE — Radiation Biological Effectiveness
• RBK — Right Bank
• RBL — Right Buttock Line
• RBMT — Retrospective BibliographieS On Magnetic Tape
• RBN — Radio Beacon
• RC — Range Command
• RC — Rate Command
• RC — Recovery Controller
• RC — Recurring Cost
• RC — Resistance-Capacitance
• RC — Reverse Current
• RC — Rotation Control
• RCA — Radio Corporation Of America (SATCOM)