| Acronym | Meaning |
| STIWG | Satellite Telemtry Interagency Working Group |
| ONERA | Office National D'Etudes Et De Recherches Aerospatiales |
| A/H | Air Handling |
| LDR | Linear Depolarization Ratio |
| FDF | Flight Dynamics Facility |
| PPTV | Parts Per Trillion (by Volume) |
| ESD | Employment Security Department |
| DDN | Data Defense Network |
| RTTOV | Rediative Transfer (RT) Model For Television Infrared Orbiting Satellite (TIROS) Operational Vertical Sounder (TOVS) |
| AOP | Abnormal Operating Procedure |