| Acronym | Meaning |
| NHAP | National High Altitude Photography |
| ICES | International Council For The Exploration Of The Sea |
| ACA | Atmospheric Chemistry Of Aerosols |
| AMU | Atomic Mass Unit |
| BFPQ | Block Floating Point Quantizer |
| VELORT | Very Long Range Tracking |
| SPC | Sector Processing Center |
| TIROS | Thermal Infrared Observational Satellite |
| ATV | Ariane Transfer Vehicle |
| UGGI | See IUGG |