| Acronym | Meaning |
| PL | Payload |
| SMG | Superconduction Magnetic Energy Storage |
| PMP | Parts |
| CPCB | Crew Procedures ControlBoard |
| OSC | Oscillator |
| NOSL | Night/Day Optical Survey Of Thunderstorm Lightning |
| CFI | Card Format Identifier |
| CCB | Configuration Control Board |
| IUE | Interface Unit Error Count Table |
| PSA | Pressure Switch Assembly |