| Acronym | Meaning |
 | HESV | Heavy Engineering Support Vehicle |
| SCR | Seychelles Rupee (ISO 4217 Currency Code) |
| BC | Before Christ - Blind Copy (in Emailers) - Boston College -Botswana (FIPS 10-4 Country Code; From Bechuanaland) - British Columbia (postal Symbol) |
| SR | Sound Reinforcement - Supply Route -Suriname (ISO 3166 Digram) -Sveriges Radio (Swedish Radio Ltd) |
| DPDT | Double-Pole Double-Throw |
| NARDAC | Naval Regional Data Automation Center |
| LIM | Limburgish Language (ISO 639-2 Code) |
| ENVL | Envelope |
| ALTACS | Automated Decision Logic Tactical Air Combat Simulation |
| SN | Tin (Latin Stannum) |
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