| Acronym | Meaning |
| CALC | Calculated |
| CMP | Configuration Management Plan |
| GFI | Government Furnished Information |
| NBC | Nuclear, Biological And Chemical |
| OPCON | Operational Control |
| OTCIXS | Officer Tactical Command Information Exchange System |
| SCST | Submarine Combat System Trainers (21a Series) |
| STA | Static Test Article |
| FSI | Functionally Significant Item |
| TMTC | Technical Manual Technical Council |