| Acronym | Meaning |
| RBMT | Retrospective BibliographieS On Magnetic Tape |
| PMI | Preventive Maintenance Instruction |
| CW | Continuous Wave |
| MDM | Multiplexer/demultiplexer |
| MI | Management Information |
| KIS | Kitting Instruction Sheet |
| CIS | Communication Interface System |
| ROB | Right Outboard |
| MIN | Minimum |
| ORG | Organization |