| Abbreviation | Definition |
|---|---|
| RECA | Residual Capability Assessment |
| RECAP | RE-CAPitalization of assets |
| RECAP | Reconnaissance Emergency Cyber Automated Probe |
| RECAP | Review and Command Assessment of Projects |
| RECAS | Residual Capability Assessment System |
| RECAT | Residual Capability Assessment Team |
| RECAU | RECeipt Acknowledged and Understood |
| RECBASS | Reception Battalion Automated Support System |
| RECBN | Reception Battalion |
| RECCE | Reconnaissance |
| RECCEXREP | Reconnaissance Exploitation Report |
| RECMOB | Reconstitution-Mobilization |
| RECON | Reconnaissance |
| RECSTA | Reception Station |
| RED | Communist |
| RED | HORSE Rapid Engineers Deployable Heavy Operations Repair Squadron, Engineers |
| REDCAP | Real time Electromagnetic Digitally Controlled Analyzer and Processor |
| REDCAT | ange Extended Directional Controlled Antitank |
| REDCAT | Range Extended Directional Controlled Antitank |
| REDCON | Readiness Condition |