R i R m Re Targeting Research and Development Costs Research, Development, Test, and Evaluation (RDT&E) Resident Space Object (RSO) RESOL Resolution Response Plan Selection Responsive Threat Restitution Retrofit Action Retrograde Orbit Reverse Engineering REVIC
| Revisit Interval REX/TTG RF RFFEL RFI RFL RFLINAC RFOG rfp RFQ RG RGB rh RH Electronics RHD
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