| Acronym | Meaning |
 | ETR | Eastern Test Range (ESME Preferred) |
| SV | Selenoid Valve |
| EGRET | Energetic Gamma Ray Explorer Telescope |
| VSWR | Visual Standing Wave Ratio |
| KV | Kilovolt |
| VAN | USNS Vanguard (STDN) |
| ORTHOG | Orthogonal |
| IECS | Igloo Environment Control Subsystem |
| EIC | Experimental Intercom |
| NOAA | National Oceanic And Atmospheric Administration |
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