| Abbreviation | Definition |
|---|---|
| DISSP | Defense Information Systems Security Program |
| DISSUB | DISabled SUBmarine |
| DIST | Distribution |
| DISTP | Defense Intelligence Special Technologies Program |
| DISUM | Daily Intelligence Summary |
| DIT | Destination Inspection Trip |
| DIT | Detritus In Transit |
| DITDS | Defense Information Threat Data System |
| DITDS | Defense Intelligence Threat Data System |
| DITF | Data Interpretation Task Forces |
| DITM | Defense Information Technology Management |
| DITO | DOD IPv6 Transition Office |
| DITP | Defense Information Technology Program |
| DITP | Discriminating Interceptor Technology Program |
| DITP | DOD IPv6 Transition Program |
| DITS | Defense Information Technology System |
| DITSCAP | Defense Information Technology Security Certification and Accreditation Program |
| DITSUM | Defense Intelligence Terrorist Summary |
| DITY | Do-IT-Yourself |
| DIU | Dedicated Interface Unit |