| Acronym | Meaning |
 | PFA | Primary Flux Array |
| AIS | Accumulator Injection System |
| OCTS | Ocean Color And Temperature Scanner |
| IMSP | International Meteorological Service Program |
| PGGA | Permanent GPS Geodetic Array |
| C/D | Integrated Phase C And Phase D Contract |
| M | Mega |
| ALOO | Albuquerque Operations Office |
| SEDI | Structure Of The Earth's Deep Interior |
| GRD | Geophysics Research Directorate |
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