| RAC |
|
risk assessment classification |
| RAD |
|
Resource Allocation Document |
| RAM |
|
Resource Allocation Matrix |
| RAM |
|
random access memory |
| RBU |
|
remote backup |
| RCVR |
|
receiver |
| RE |
|
Radiation Engineer |
| REMB |
|
Resource and Engineering Management Board |
| RF |
|
radio frequency |
| RFA |
|
request for action |
| RFC |
|
River Forecast Centers |
| RFC |
|
request for change |
| RFI |
|
radio frequency interference |
| RFP |
|
request for proposal |
| RH |
|
relative humidity |
| RHCP |
|
right-hand circular polarization |
| RIS |
|
risk information sheet |
| RISTM |
|
Reduced Integrated Satellite Thermal Model |
| RIU |
|
remote interface unit |
| RM |
|
requirements management |
| RM |
|
Risk Manager |
| RM |
|
risk management |
| RMA |
|
reliability, maintainability, and availability |
| RMB |
|
Risk Management Board |
| RMIS |
|
Risk Management Information System |
| RMM |
|
Radiometric Math Model |
| RMP |
|
Requirements Management Plan |
| RMP |
|
Risk Management Plan |
| RMS |
|
Resources Management System |
| RMS |
|
Requirements Management System |
| RO |
|
Risk Owner |
| ROI |
|
return on investment |
| ROM |
|
read only memory |
| ROM |
|
rough order of magnitude (Ground) |
| ROP |
|
Recommended Operating Procedure |
| RPIE |
|
real property installed equipment |
| RPM |
|
Replacement Product Monitor |
| RPP |
|
Reliability Program Plan |
| RPT |
|
report |
| R-S |
|
Reed-Solomon |
| RSS |
|
Range Safety System |
| RSS |
|
root sum square |
| R/T |
|
receive/transmit |
| RT |
|
real-time |
| RTCS |
|
Relative Time Command Sequence |
| RTL |
|
Risk Tracking Log |
| RTP |
|
Re-engineered Test Program |
| RTS |
|
relative time sequence |
| RTVM |
|
requirements traceability and verification matrix |
| RWA |
|
reaction wheel assembly |
