English abbreviations from rachel to radirs
- RACHEL (Random Access Chemical Hazards Electronic Library)
- RACI (Responsible / Accountable / Consulted / Informed)
- RACK (Risk Aware Consensual Kink (SM phrase))
- RACL (Richmond Area Computer Leaders)
- RACMSA (Royal Automobile Club Motor Sports Association)
- RACN (Rij Analyse Centrum Nederland)
- RACO (Rear Area Combat Operations)
- RACOMS (Rapid Army Combat Mapping System)
- Racon (RAdar beaCON)
- RAC-OT (Readiness Assessment System - Output Tool)
- RACP (Royal Australasian College of Physicians)
- RACS (Royal Australasian College of Surgeons)
- RAD (Radiation-absorbed dose)
- RADA (Royal Academy of Dramatic Art)
- Radar (Radio Detection And Ranging)
- RADAY (Radio Day)
- RADb (Routing Assets Data Base)
- RADBN (Radio Battalion)
- RADC (Region Air Defence Commander)
- RADCAD (Radar Computer- Aided Design)
- RADCON (RADiation CONtrol)
- RADF (Radarfind)
- RADHAZ (Electromagnetic Radiation Hazards)
- RADINT (Radar Intelligence)
- RADIRS (Rapid Deployment Multiple Rocket System (US))