English abbreviations from r0 to ra
- R0(99|| R-value (insulation))
- R2(Reporting Responsibility)
- R2I(Resistance to Interrogation)
- R2P2(Rapid Response Planning Process)
- R2R(Run-To-Run)
- R2T(Rails- To- Trails Conservancy)
- R2T2(Rapid Response Topographic Teams)
- R3P(Rearm, Refuel, and Resupply Point)
- R4BIA(Ready for Brotherhood Independent Army)
- RA(Resolution advisory (TCAS))