| Acronym | Meaning |
| J3 | Joint Operations Directorate |
| OSIA | (U.S.) On-Site Inspection Agency |
| RC | See Entry |
| IVF | In Vitro Fertilisation |
| NETWARS | Network Warfare Simulation |
| NZ | New Zealand (ISO 3166 And FIPS 10-4 Country Code Digram) |
| CB | Cambodia (FIPS 10-4 Country Code) -Citizens' Band Radio |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| NUL | Null Character (ASCII Code Of Control Character) - National Urban League |
| PEPFAR | President's Emergency Plan For AIDS Relief |