| Acronym | Meaning |
 | NKVD | Narodnyi Komissariat Vnutrennikh Del (Russian People's Commissariat Of Internal Affairs) (1934-1954) |
| ZS | Zeptosecond |
| ARP | Address Resolution Protocol - Applied Research Programme |
| RE | Rhenium |
| UNDE | Union Of National Defence Employees (Canada) |
| ET AL. | Et Alii/aliae/alia (Latin |
| ACRI | African Crisis Initiative |
| DJS | Director |
| SSN | Nuclear-Powered Attack Submarine (US Navy Hull Classification) -SIM Serial Number - Social Security Number - Socialist Solidarity Network - Subsystem Number (SCCP |
| UR | Soviet Union (NATO Country Code |
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