| Acronym | Meaning |
| NGR | Gas Generator Speed Right |
| DD | Digital Data |
| LORAN | Long Range Navigation |
| ECR | Engineering Change Request |
| CINCPACFLT | Commander-in-chief (pacific Fleet) |
| ATT | Attitude |
| MCL | Master Configuration List |
| IR&D | Independent Research & Development |
| PSE | Peculiar Support Equipment |
| PTTI | Precise Time And Time Interval Dissemination And Distribution |