| Acronym | Meaning |
| FL | Floruit (Latin |
| RP | Philippines (FIPS 10-4 Country Code) -Release Point - Role-Playing |
| IVIS | Inter-Vehicle Information System |
| PEK | PolyEtherKetone |
| ARNET | Acquisition Reform Network |
| NDU | National Defense University (Washington |
| FE | Fully Exposed (armoured Vehicle Target |
| OGC | Open Geospatial Consortium |
| K9 | Canine Police Unit |
| OSE | Own Separate Entrance |