| Abbreviation | Definition |
|---|---|
| TIPS | Terrorism Information And Prevention System |
| TIPS | Test Item Pool Service |
| TIPS | Threat Image Projection System |
| TIPS | Totalitarian Informants and Pacifist Suppression |
| TIR | Technical Interface Re-certification |
| TIR | Technical Interface Requirement |
| TIR | Test Incident Report |
| TIR | Total Indicator Reading |
| TIR | Toxic Industrial Radiological |
| TIREM | Terrain Integrated Rough Earth Model |
| TIROS | Television Infrared Observation Satellite |
| TIROS | Television Infrared Observational Satellite |
| TIS | Tactical Intelligence Squadron |
| TIS | Technology Of Intelligent Sensors |
| TIS | Test Item Stimulator |
| TIS | Thermal Imaging System |
| TIS | Time In Service |
| TIS | Trainer Information Sheet |
| TIS | Troop and Installation Support |
| TISA | Troop Issue Subsistence Activity |