| Acronym | Meaning |
| IAD | Ion Assisted Deposition |
| PAN | Panama (ISO 3166 Trigram) -Personal Area Network -PolyAcryloNitrile |
| DSCSOC | DSCS Operations Center |
| MODSAF | Modular Semi-Automated Forces (military Simulation) |
| IAU | International Association Of Universities - International Astronomical Union |
| JROC | Joint Requirements Oversight Council |
| POK | Plane Of Knowledge |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| IP | Clipperton Island (FIPS 10-4 Territory Code) -Initial Point - Intellectual Property - Internet Protocol |
| HA | Haiti (FIPS 10-4 Country Code) -High Availability |