English abbreviations from red to rej
- RED (Mifflin County Airport (FAA: RVL))
- REDCAP (Real time Electromagnetic Digitally Controlled Analyzer and Processor)
- REDCON (Readiness Condition)
- RED HORSE (Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers)
- REDI (Revolving Economic Development And Initiative)
- REDM (Relax Extremely Daring Mountaineers)
- REE (Rare Earth Element)
- REEEP (Renewable Energy and Energy Efficiency Partnership)
- REEF (Reef Environmental Education Foundation)
- REEFER (Refrigerated or Cold Storage Unit)
- REEM (REserves EMbarked)
- REESE (Research and Evaluation on Education in Science and Engineering)
- REF (Reference)
- REFAH AID (Relief & Empowerment Fund to Advance Humanitarian Assistance & Integrated Development)
- REFAHAID (Relief & Empowerment Fund to Advance Humanitarian Assistance & Integrated Development)
- REFAL (Recursive Functions Algorithmic Language)
- REFLUPS (Resuscitation Fluids Production System)
- REFORGER (Return of Forces to Germany)
- REG (Reggio Calabria Airport)
- Reg. (Regionis ("Of the Region"))
- regex (Regular Expression)
- regexp (Regular Expression)
- REGO (Reinventing Government)
- REGS (Research Experiences for Graduate Students)
- REGT (Regiment)
- REHAB (Re-Habilitate)
- REHIS (Royal Environmental Health Institute of Scotland)
- REI (Reading Every Index)
- REIL (Runway end identifier lights)
- REJ (Reject)