| Acronym | Meaning |
 | PDT | Pacific Daylight [Saving] Time (UTC-7 Hours) |
| VSOP | Variations S?culaires Des Orbites Plan?taires (French |
| GRID | Gay-Related Immune Deficiency (original Name Of AIDS) |
| ALTE | Association Of Language Testers In Europe |
| ISB | Intermediate Staging Base |
| METAR | [Meteorological] Aviation Routine Weather Report |
| AMSU | Association For Managers In Students' Unions - Aviation Mat?riel Screening Unit |
| ACN | Airborne Communications Node - Australian Company Number (number Issued By The Australian Government As Registration Of A Limited Liability Company) |
| AARP | (i/s) American Association Of Retired Persons (now Officially Known Only By The Initials) |
| OBX | Outer Banks (North Carolina) |
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