| Acronym | Meaning |
| RCMP | Royal Canadian Mounted Police |
| CERGA | Centre De Recherches En G?odynamique Et Astrom?trie (French |
| EIRP | Effective Isotropic Radiated Power |
| C4 OR C? | Command |
| IS | Iceland (ISO 3166 Digram) - Israel (FIPS 10-4 Country Code) |
| GIS | Geographic Information System -Google Image Serach |
| MR | Mauritania (FIPS 10-4 Country Code; ISO 3166 Digram) |
| FSSP | Families Of Structurally Similar Proteins |
| YWCA | Young Women's Christian Association |
| LTC | Long Term Costing |