| Acronym | Meaning |
| MASS | Model 901 Applications And System Software |
| TOPL | Top Left |
| ENVIR | Environment |
| DDN | Design Decision Notice |
| NAESU | Naval Aviation Engineering Service Unit |
| SPRT | Support |
| MB | Measurement Base |
| LHA | Amphibious Assault Ship (general Purpose) |
| PRDR | Preproduction Reliability Design Review |
| CLS | Contractor Logistics Support |