| Abbreviation | Definition |
|---|---|
| TTH | Tactical Transport Helicopter |
| TTH | Technology Transfer Hold |
| TTH | This Tragic Hero |
| TTH | Torpedo Tube Housing |
| TTHS | Trainees, Transients, Holdees, and Students |
| TTI | Time and Time Interval |
| TTI | Time To Intercept |
| TTI | Torpedo Tube Indicator |
| TTIL | Theater Tracked Item List |
| TTIM | TACOM Thermal Image Model |
| TTJ | Torpedo Tube Journal |
| TTL | Technololgy Transfer Layer |
| TTL | Torpedo Tube Layer |
| TTLD | Tactical Team Leader Development |
| TTM | Threat Training Manual |
| TTM | Torpedo Tube Mount |
| TTM | Total Time Marching |
| TTM | Training Target Material |
| TTMCFO | Theater-Type Mobilization Corps Force Objective |
| TTMOP | Technical Test Measures of Performance |