| Acronym | Meaning |
| EUCLID | European Cooperation For The Long Term In Defense |
| FATS | Factory Acceptance Test Specification |
| ECP | Engineering Change Proposal |
| WMS | World Magnetic Survey |
| ANG | Air National Guard |
| NAOS | North American Observing System |
| RFC | Request For Comment |
| AID | Agency For International Development |
| RA# | Raleigh Number |
| DOMSAT | Domestic Satellite |