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- R4 Automatic Identification System (AIS)
- Radiation Analysis and Testing
- Radiation Hardened EEPROMs
- Radiation Hardened Microcircuits
- Radio Control Equipment (RCE) Model 2001
- Range Track Display System (RTDS)
- Rapid Deployment Voice Switch (RDVS)
- RAVEN EYE I
- RAVEN EYE II
- Real-Time Infrared/Electro-Optic Scene Simulator (RISS)