| Acronym | Meaning |
| TQM | Total Quality Management |
| DCASMA | Defense Contratcts Administration Systems Agency |
| SCST | Submarine Combat System Trainers (21a Series) |
| RDT&EN | Research, Development, Test And Evaluation, Navy |
| ECP | Engineering Change Proposal |
| EXEC | Executive Subsystem |
| FOM | Facilitate Other Maintenance |
| PS/PC | Physical Security/pilferage Code |
| PY | Program Year |
| YNG | Gate Craft (non Self-propelled)(misc) |