| Abbreviation | Definition |
|---|---|
| SICOR | Single Intelligence Correlator |
| SICPS | Standardized Integrated Command Post Shelter |
| SICR | Specific Intelligence Collection Requirement |
| SID | Secondary Imagery Dissemination |
| SID | Ship In Distress |
| SID | Speed Indicator Device |
| SID | Strategic Information Development |
| SIDAC | Single Integrated Damage Analysis Capability |
| SIDAC | Single Integrated Damage Assessment Capability |
| SIDE | Sensors In a Distributed Environment |
| SIDL | Standard Intelligence Documents List |
| SIDNK | Sir, I Do Not Know |
| SIDO | Senior Intelligence Duty Officer |
| SIDPERS | Standard Installation/ Division PERsonnel System |
| SIDPERS | Standard Installation/Division Personnel System |
| SIDS | Secondary Imagery Dissemination System |
| SIF | Selective Identification Feature |
| SIF | Strategic Internment Facility |
| SIG | Senior Interdepartmental Group |
| SIG | Signal |