| Acronym | Meaning |
| DPPDB | Digital Point Positioning Database |
| IRQ | Iraq (ISO 3166 Trigram) |
| QD | Quaque Die (Latin |
| VVAF | Vietnam Veterans Of America Foundation |
| INRI | Iesus Nazarenus Rex Iud?orum (Latin |
| PIPA | Program On International Policy Attitudes |
| PYG | Paraguayan Guarani (ISO 4217 Currency Code) |
| FOS | Florida Ornithological Society - Full Operational Status |
| DAN | Danish Language (ISO 639-2 Code) |
| DSP | Defense Standardization Program - Defense Support Program - Digital Signal Processing |