| Acronym | Meaning |
| CB/DC | Circuit Breaker (dc Only) |
| SPDB | Subsystem Power Distribution BC)x |
| MTR | Magnetic Tape Recorder |
| NOCC | Network Operations Control Center |
| IMDB | Integrated Maintenance Data Base |
| EED | Electro (Electrical) Explosive Device |
| PSF | Processing And Storage Facility (ET) |
| MEC | Master Event Controller |
| RCPT | Receipt |
| NGM | NNGM Nitrogen Generation Module |