R
- RA - Resource Advisor
- RAF - Royal Air Force
- RAM - Random Antiterrorism Measure
- RAS - Regional Affairs Strategist
- RED HORSE - Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers
- RF - Radio frequency
- RIF - Reduction In Force
- RNLTD - Report No Later Than Date
- ROAD - Retired On Active-Duty
- ROTC - Reserve Officers' Training Corps
- RQS - Rescue Squadron
- RTB - Return To Base
- RTIC - Real Time In the Cockpit
- RW - Reconnaissance Wing
Read more about this topic: List Of U.S. Air Force Acronyms And Expressions