| Acronym | Meaning |
| VSO | Very Stable Oscillator |
| P&FS | Particles And Fields Subsatellite |
| EO | Earth Orbit |
| ESP | Experiment Sensing Platform |
| GHA | General Housekeeping Area |
| LE | LauLeading Edge |
| MTE | Maintenance Test Equipment |
| ORSDI | Oak Ridge Selective Dissemination Of Information |
| MAIR | Manufacturing And Inspection Record |
| EXPEN | Expendable |