| Acronym | Meaning |
 | LCOL | Lieutenant-Colonel (Canada |
| USNB | United States Naval Base |
| ISTC | U.K. Institute Of Scientific And Technical Communications |
| UESAC | Uppsala-ESO Survey Of Asteroids And Comets |
| MTQ | Martinique (ISO 3166 Trigram) |
| JMS | Java Message Service |
| DSCS | U.S. Defense Satellite Communications System |
| OCIDS | Optical Combat Identification System |
| DR | Dead Reckoning -Dominican Republic (FIPS 10-4 Country Code) -Danmarks Radio (Danish Broadcasting Corporation) |
| RGBI | Red Green Blue Intensity (ditto) |
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