| Acronym | Meaning |
| FSE | Fleet Supportability Evaluation |
| ISSI | International Software Systems Incorporated |
| DEC | Decrease |
| RNVC | Reference Number Variation Code |
| QDM | Quantitative Debris Monitor |
| CPF | Contractor Performance Factor |
| TDD | Temporary Design Departure |
| AWP | Awaiting Parts |
| DEU | Display Electronics Unit |
| CP | Computer Program |