| Abbreviation | Definition |
|---|---|
| TDU | Tactical Dress Uniform |
| TDU | Tracking Data Unit |
| TDU | Trash Disposal Unit |
| TDY | Temporary Duty |
| TE | Tactical Exploitation |
| TE | Technical Evaluation |
| TE | Test Edition |
| TE | Test Equipment |
| TE | Thermal Eagle |
| TE | Third Eye |
| TE | Tracking Error |
| TE | Transaction Editor |
| TE | Treachery Element |
| TE/IR | Tactical Engagement/ Instrumentation Range |
| TE/IR | Tactical Engagement/Instrumentation Range |
| TEA | Tactical Espionage Action |
| TEA | Training Effectiveness Analysis |
| TEA | Transportability Engineering Analysis |
| TEA | Transportation Engineering Agency |
| TEA | Transportation Engineering Agreement |