| Acronym | Meaning |
 | INST | Information Standards And Technology |
| RRSP | Registered Retirement Savings Plan (Canada; Roughly Equivalent To The IRA In The U.S.) |
| C2C | Consumer-To-Consumer Electronic Commerce - Cam-To-Cam Internet Chat |
| RRS | Racing Rules Of Sailing |
| FR | France (FIPS 10-4 Country Code; ISO 3166 Digram) |
| HQDA | HeadQuarters |
| SMG | Sequential Motorsport Gearbox - SubMachine Gun |
| PGP | Pretty Good Privacy |
| PNP | Partido Nuevo Progresista - Plug 'N' Play/Pray - Positive Negative Positive |
| COY | Company (military Unit) |
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