| Acronym | Meaning |
| PCM | Pulse Code Modulation |
| PLN | Plan |
| SB | Synchronization Base |
| NICD | NNICDNickel Cadmium |
| I | ECM Induced Environment Contamination Monitor |
| RIL | Recoverable Item(s) List(s) |
| EPC | External Power Contractor |
| FMC | Food Machinery Corporation |
| IPS | Ips International Pipe Standard |
| MPCA | Mid Power Controller Assembly |