R | BAR radius vector axis |
R | DOT range rate to target, (+) opening, (-) closing |
R | IMP minimum range to avoid plume impingement |
R | Rankine |
R | gas constant |
R | radiometer |
R | roentgen |
R | yaw Rankine rate |
R&CC | recorder and communication control |
R&D | research and development |
R&DO | Research and Development Operations (MSFC) |
R&E | research and engineering |
R&M | reliability and maintainability |
R&P | reserve and process |
R&PM | research and program management |
R&QA | reliability and quality assurance |
R&R | remove and replace |
R&R | rendezvous and recovery |
R&S | reliability and safety |
R&T | research and technology |
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/E | right-hand engine |
R/I | receiving inspection |
R/L | rate limited |
R/L | remote/local |
R/M | reliability/maintainability |
R/O | roll-out |
R/R | remove and replace |
R/S | range safety |
R/S | redundant set |
R/T | real time |
R/T | receive/transmit |
R/T | receiver/transmitter |
R/T | reference trajectory |
R/T | room temperature |
R/W | read/write |
R/W | runway |
R3 | rotary reciprocating refrigerator |
R3S | rapid records retrieval system |
RA | radar altimeter |
RA | range area |
RA | right aft |
RA | right ascension |
RAAB | remote amplifier acquisition and advisory box |
RAAB | remote amplifier and adaptation box |
RAAB | remote application and advisory box |
RAAN | right ascension of ascending node |
RABF | radio astronomy bandstop filter |
RAC | Reliability Action Center |
RACCS | remote automatic checkout and calibration system |
RACF | Resource Access Control Facility |
RACS | remote automatic calibration system |
RACU | remote acquisition and control unit |
RAD | radiation absorbed dose |
RAD | research and advanced development |
RAD | roentgen absorbed dosage |
RADC | Rome Air Development Center |
RADCC | Radiation Control Center |
RADK | radiation conduction value |
RADOP | radiator optimization computer code |
RADVS | radar altimeter and Doppler velocity sensor |
RAE | radio astronomy explorer |
RAE | range, azimuth, and elevation |
RAF | requirements analysis form |
RAG | reusable agenda |
RAHF-VT | Research animal holding facility verification |
RAI | radar altimeter indicator |
RAI | review action item |
RAI | roll attitude indicator |
RAJPO | Range Application Joint Program Office |
RAL | responsibility assignment list |
RALPH | reduction and acquisition of lunar pulse heights |
RALT | radar altimeter |
RAM | Reliability Assessment Model |
RAM | radar absorption material |
RAM | random access memory |
RAM | requirements allocation matrix |
RAM | research and applications module |
RAM | resource allocation manager |
RAM | responsibility assignment matrix |
RAMA | recap and movement authorization |
RAMAC | random access method of accounting and control |
RAMCS | remote automatic measuring and calibration system |
RAMP | replenishment activity management plan |
RAMPS | resource analysis and mission planning system |
RAN | Royal Australian Navy |
RANC | radar absorption noise and clutter |
RANN | research applied to national needs |
RAP | reliability assurance program |
RAP | reserve auxiliary payload |
RAP | responsibility accounting program |
RAPCON | radar approach and control |
RAPP | Resource and Planning Program |
RAR | resource accommodation report |
RAS | reacquisition sensor |
RAS | remote access set |
RAS | requirements accounting system |
RAS | requirements allocation sheet |
RAS | reuse all systems |
RASM | remote analog submultiplexer |
RATCC | Radar Air Traffic Control Center |
RATO | rocket-assisted takeoff |
RAU | remote access unit |
RAU | remote acquisition unit |
RAUIS | remote acquisition unit interconnecting station |
RAWS | role-adaptable weapons system |
RAX | remote access computing system |
RAX | remote access terminal |
RAZEL | range, azimuth, and elevation |
RB | radar beacon |
RB | rubber base |
RBA | radar beacon antenna |
RBA | recovery beacon antenna |
RBC | red blood cells |
RBC | rotating beam ceilometer |
RBDE | radar bright display equipment |
RBE | radiation biological effectiveness |
RBET | relative BET |
RBK | right bank |
RBL | right buttock line |
RBMT | retrospective bibliographies on magnetic tape |
RBN | radio beacon |
RC | radio command |
RC | radio control |
RC | range command |
RC | rate command |
RC | reaction control |
RC | recovery controller |
RC | recurring cost |
RC | reinforced concrete |
RC | resistance-capacitance |
RC | reverse current |
RC | rotation control |
RC | rotational control |
RCA | Radio Corporation of America |
RCA | remote control amplifier |
RCAG | remote center air-ground |
RCB | remote circuit breaker |
RCC | Range Commanders' Council (DOD) |
RCC | Regional Control Center |
RCC | range control center |
RCC | recovery control center |
RCC | redundancy connection control |
RCC | reinforced carbon-carbon |
RCC | reusable carbon-carbon |
RCC | rough combustion cutoff |
RCCA | rough combustion cutoff assembly |
RCCB | Rockwell Configuration Control Board |
RCCB | remote central circuit breaker |
RCCP | recorder and communications control panel |
RCI | request for contract investigation |
RCL | reliability control level |
RCM | reliability-centered maintenance |
RCN | Rockwell communication network |
RCN | requirements change notice |
RCP | Radiation Constraints Panel |
RCP | right circular polarizer |
RCR | requirements change request |
RCR | retrofit configuration record |
RCS | reaction control system (subsystem) |
RCS | received command sync |
RCS | reentry control system |
RCS | requirements collection system |
RCSC | reaction control subsystem controller |
RCU | remote control unit |
RCVS | remote control video switch |
RCY | remaining cycles |
RD | radiation detection |
RD | reference designator |
RD | released drawing |
RD | requirements document |
RD | root diameter |
RDA | remote data access |
RDA | resident data area |
RDC | reference designator code |
RDC | request for design change |
RDC | request for document change |
RDC | request for drawing changes |
RDCS | reconfiguration data collection system |
RDD | requirements definition document |
RDF | radio direction finder |
RDF | resource data file |
RDGS | reconfiguration display generation system |
RDL | reconfigurable design language |
RDM | real-time data manager |
RDO | relational data base operator |
RDOC | reference designation overflow code |
RDOS | real-time disk operating system |
RDP | receive and data processor |
RDP | requirements data plan |
RDP | requirements development plan |
RDR | raw data recorder |
RDS | Rocketdyne digital simulator |
RDT&E | research, development, test, and evaluation |
RDW | response data word |
RDW | return data word |
RE | resolution element |
RE | responsible engineer |
RE&T | research engineering and test |
REA | rocket engine assembly |
REAM | rocket engine assembly module |
RECON | remote console |
RECP | request for engineering change proposal |
RECS | representative environmental control system (Shuttle) |
REDAC | Rockwell electronic design analysis code |
REDB | Rockwell engineering data base |
REFSMMAT | reference stable member matrix |
REI | range from entry interface |
REI | runway-end identification |
REIL | runway-end identification lights |
RELMAT | relative matrix |
RELSAT | reliability for satellite (equipment in severe environment) |
REM | release engine module |
REM | release escape mechanism |
REM | release-engagement monitor |
REM | rocket engine module |
REM | roentgen equivalent man |
RETS | reconfigurable electrical test stand |
REU | remote electronics unit |
REVS | requirements engineering and validation system |
RF | new risk factor |
RF | radio frequency |
RF | right forward |
RF | risk factor |
RF-TK | radio frequency tracking |
RFA | RF authorization |
RFA | request for action |
RFB | ready for baseline |
RFB | request for bid |
RFC | radio frequency chart |
RFC | request for change |
RFCA | radiator and flow control assembly |
RFCA | radiator flow control assembly |
RFCP | request for computer program |
RFD | requirements formulation document |
RFDA | radio frequency deployed assembly |
RFDU | radio frequency and digital unit |
RFE | request for estimate |
RFECP | request for engineering change proposal |
RFEI | request for engineering information |
RFHA | reusable flight hardware authorization |
RFI | radio frequency interference |
RFI | remote facility inquiry |
RFI | remote file inquiry |
RFI | request for information |
RFO | request for order |
RFP | request for program |
RFP | request for proposal |
RFP | requirements and formulation phase |
RFPA | request for proposal authorization |
RFQ | request for quotation |
RFTCP | request for test change proposal |
RFTS | radio frequency transmission system |
RFU | radio frequency unit |
RFW | request for waiver (deviation) |
RG | radio guide |
RG | rate gyro |
RGA | rate gyro assembly |
RGA | residual gas analysis |
RGAL | rate gyro assembly, left SRB |
RGAO | rate gyro assembly, orbiter |
RGAR | rate gyro assembly, right SRB |
RGP | rate gyro package |
RGR | repairable generator rate |
RGRF | repair generation rate forecast |
RH | relative humidity |
RH | right-hand |
RHC | remote hand controller |
RHC | rotational hand controller |
RHCP | right-hand circular polarization |
RHCP | right-hand circularly polarized |
RHCTO | rotational hand controller takeover |
RHEB | right-hand equipment bay |
RHEC | radiation-hardened emulating computer |
RHFEB | right-hand forward equipment bay |
RHL | residual hazards list |
RHP | right-hand panel |
RHS | Rocketdyne hybrid simulator |
RHS | right-hand side |
RHSC | right-hand-side console |
RHT | radiant heat temperature |
RHU | radioisotope heater unit |
RHW | response header word |
RHW | router header word |
RI | radioisotope |
RI | record ID |
RI | register immediate |
RIADB | Rockwell integrity assurance data base |
RIB | radioisotope/Brayton |
RIB | recoverable item breakdown |
RIB | right inboard |
RIC | resistance, inductance, and capacitance |
RICA | Rockwell interdivisional contract agreement |
RICC | remote intercomputer communications |
RICE | remote inertial and control equipment |
RICMOS | radiation-hard inverse CMOS |
RICP | real-time interactive computer program |
RID | review item disposition |
RIDI | receiving inspection detailed instruction |
RIDS | Rockwell integrated defense simulator |
RIE | right inboard elevon |
RIF | relative importance factor |
RIG | rate integration gyro |
RIGA | rate-integrating gyro assembly |
RIGI | receiving inspection general instruction |
RIL | recoverable items list |
RIL | repairable items list |
RIM | resource inventory management |
RIMS | RIM system |
RIMSS | Rockwell International modular satellite system |
RIPS | radar impact prediction system |
RIQ | Rockwell International quote |
RIR | reportable items report |
RIS | reporting identification symbol |
RISC | Rockwell Integration Support Contract |
RISE-C | Rockwell International Shuttle equipment cradle |
RISKAC | risk acceptance |
RISNET | risk management analysis system |
RISOP | red integrated strategic operations plan |
RIT | request for interface tooling |
RIU | remote interface unit |
RJ/EC | reaction jet/engine control |
RJC | reaction jet control |
RJD | reaction jet device |
RJD | reaction jet driver |
RJDA | reaction jet driver aft |
RJDF | reaction jet driver forward |
RJE | remote job entry |
RJOD | reaction jet/OMS driver |
RL | reimaging lens |
RL | return link |
RLA | repair-level analysis |
RLC | remote load controller |
RLE | responsible lab engineer |
RLEO | request for liaison engineering order |
RLG | ring laser gyro |
RLT | return line tether |
RM | redundancy management |
RM | reference mission |
RM | relay mirror |
RM | remedial maintenance |
RM | remote manipulator |
RM | rendezvous maneuver |
RM | rescue module |
RM | resource management |
RM | resupply module |
RM | right mid |
RM&P | reliability, maintainability, and producibility |
RM&QA | reliability, maintainability, and quality assurance |
RM/AS | risk management/assessment system |
RMA | reliability, maintainability, and availability |
RMA | remote manipulator arm |
RMC | redundancy management control |
RME | radiation monitoring equipment |
RMF | RCS module forward |
RMG | right main gear |
RMI | radio magnetic indicator |
RMOP | resource management operation plan |
RMP | risk management plan |
RMRS | recoverable maintenance recall system |
RMRS | repeatable maintenance recall system |
RMS | random motion simulator |
RMS | redundancy management system |
RMS | remote maneuvering system |
RMS | remote manipulator system (subsystem) |
RMS | root mean square |
RMU | remote maneuvering unit |
RN | Reynold's number |
RN | rate of change |
RN | resource node |
RNP | rotation, nutation, and precession |
RNS | reusable nuclear stage |
RNTS | regenerative nonventing thermal system |
RO | radar operator |
RO | readout |
RO | receive only |
RO | recovery operations |
RO | rollover |
ROADS | resource and operations analysis display system |
ROB | right outboard |
ROB | rigid optical bench |
ROC | record of comments |
ROC | request of change |
ROCC | Range Operational Control Center |
ROCC | Region Operational Control Center |
ROCES | ranger orbiter crew escape system |
ROD | remotely operated door |
ROEU | remotely operated electrical umbilical |
ROI | return on investment |
ROL | remote operating location |
ROM | read-only memory |
ROM | rough order of magnitude |
RORSAT | radar ocean reconnaissance satellite |
ROS | Rosman, North Carolina (STDN site) |
ROS | read-only storage |
ROS | regulated oxygen supply |
ROS | removable overhead structure |
ROSES | Rockwell Operational Software Engineering System |
ROSS | remote orbital servicing system |
ROST | Rockwell operational system for trades |
ROST | Rockwell operations system for trades |
ROT | remaining operating time |
ROTI | recording optical tracking instrument |
ROTV | returnable orbital transfer vehicle |
RP | relative pressure |
RP | repair period |
RP | rocket propellant |
RPA | record and playback assembly |
RPA | request for procurement action |
RPA | request for procurement authorization |
RPC | remote power control |
RPC | remote power controller |
RPD | Reconfiguration Production Department |
RPE | reliability project engineer |
RPF | rapid prototyping facility |
RPIE | real property installed equipment |
RPL | Rocket Propulsion Laboratory |
RPL | rated power level |
RPO | radiation protection officer |
RPOC | Remote Payload Operations Center |
RPP | reinforced pyrolytic plastic |
RPP | reliability program plan |
RPS | RMS planning system |
RPS | record and playback system (subsystem) |
RPSF | Rotation Processing and Surge Facility |
RPT | resident provisioning team |
RPT | rudder pedal transducer |
RPTA | rudder pedal transducer assembly |
RPV | remotely piloted vehicle |
RQ | respiratory quotient |
RR | range rate |
RR | readiness review |
RR | register to register |
RR | rendezvous radar |
RR | requirements review |
RR | respiration rate |
RRB | Requirements Review Board |
RRDA | rendezvous radar deployment actuator |
RRDCT | risk reduction data collection task |
RREA | rendezvous radar electronics assembly |
RREU | rendezvous radar electronics unit |
RRL | rudder reference line |
RRP | rudder reference plane |
RRS | restraint release system |
RRS | retrorocket system |
RRT | rendezvous radar transducer |
RRT | rendezvous radar transfer |
RRT | rendezvous radar transponder |
RS | Rawinsonde |
RS | redundancy status |
RS | redundant set |
RS | refurbishment spare |
RS | register to storage |
RS | remote station |
RS | right side |
RS&S | receiving, shipping, and storage |
RSA | rapid simulation aid |
RSA | rate sensor assembly |
RSA | rheometrics solids analyzer |
RSB | rudder/speed brake |
RSC | range safety command |
RSC | range safety control |
RSCIE | remote station communication interface equipment |
RSCR | range safety command receiver |
RSCS | rate stabilization and control system |
RSCSS | range safety command shutdown system |
RSD | range support document |
RSD | requirements and specifications document |
RSDB | Rockwell supplier data base |
RSDP | remote site data processor |
RSEAM | Rockwell system engineering analysis model |
RSF | Refurbishment and Subassembly Facility (KSC) |
RSF | receiving-safing facility |
RSI | rate stability indicator |
RSI | reusable surface insulation |
RSIOP | Russian strategic integrated operational plan |
RSIOP | red single integrated operations plan |
RSL | requirement specification language |
RSL | resource support list |
RSLS | redundant set launch sequence |
RSMM | redundant system monitor model |
RSO | Radiological Safety Office |
RSO | range safety officer |
RSO | resident space object |
RSOC | Rockwell Space Operations Company |
RSPL | recommended spare parts list |
RSR | release schedule record |
RSRA | rotor system research aircraft |
RSRB | redesigned solid rocket booster |
RSRM | redesigned solid rocket motor |
RSS | range safety switch |
RSS | range safety system |
RSS | reactant supply system |
RSS | restart selectover system |
RSS | rib structure station |
RSS | root sum square |
RSS | rotating service structure |
RSSPO | Resident Space Shuttle Project Office |
RST | recessed selectomatic terminal |
RSU | remote service unit |
RSV | ready storage vessel |
RT | real time |
RT | reference trajectory |
RT | room temperature |
RT/LO | receiver transmitter/local oscillator |
RTAC | Research and Technology Advisory Committee |
RTAW | Rockwell tandem arc weld |
RTB | resistance temperature bulb |
RTC | real-time clock |
RTC | real-time command |
RTC | real-time computer |
RTC | room-temperature cure |
RTCA | Radio Technical Commission for Aeronautics |
RTCC | Real-Time Computer Center (NASA) |
RTCC | real-time command controller |
RTCC | real-time computer command (uplink) |
RTCC | real-time computer complex |
RTCE | rotation/translation control electronics |
RTCP | real-time communications processor |
RTCPS | real-time computer program system |
RTCS | real-time computer system |
RTD | real-time data |
RTD | real-time display |
RTD | resistance temperature device |
RTD | resistance thermal device |
RTDD | release to design development |
RTE | responsible test engineer |
RTF | return to flight |
RTFSS | real-time flight safety software |
RTG | radioisotope thermoelectric generator |
RTG | range to ground |
RTHC | rotational-translational hand controller |
RTHS | real-time hybrid system |
RTIF | real-time interface |
RTLS | return to launch site |
RTM | release to manufacturing |
RTM | robot task measurement |
RTO | rapid turn-on |
RTOK | retest okay |
RTOP | research and technology objectives and plans |
RTOP | research and technology operating plan |
RTPM | real-time program management |
RTS | range tracking station |
RTS | real-time subsystem |
RTS | real-time supply |
RTS | reliability test specimen |
RTS | remote tracking station |
RTSF | real-time simulation facility |
RTSS | real-time simulation system |
RTTV | real-time television |
RTU | remote terminal unit |
RTV | room-temperature vulcanizing |
RTVM | requirements and test verification matrix |
RU | remote unit |
RV | recirculation valve |
RV | recovery vehicle |
RV | reentry vehicle |
RV | relief valve |
RVAO | reentry vehicle associated object |
RVAS | requirements verification and accounting system |
RVCF | remote vehicle checkout facility |
RVCN | requirement verification completion notice |
RVDISC | RV discrimination |
RVDT | rotary variable differential transducer |
RVDT | rotary variable differential transformer |
RVN | requirements verification network |
RVR | requirement verification revision |
RVR | runway visual range |
RVRS | requirements verification review sheet |
RVTAPS | RV track and prediction simulation |
RW | reaction wheel |
RW | read and write |
RW | response word |
RW | runway |
RWD | right wing down |
RWE | read/write electronics |
RWM | read and write memory |
RYD | real-year dollars |
RZ | return to zero |
Rf | risk factor |
Rnet | reconfiguration network |
rms | radian means per second |
rph | revolutions per hour |
rpm | revolutions per minute |
rpm | rotations per minute |
rps | revolutions per second |