| Acronym | Meaning |
| PRD | Procurement Regulation Directive |
| V&DA | Video And Data Acquisition |
| CCC | Complex Control Center |
| EXPEN | Expendable |
| FSIM | Functional Simulator |
| ECOS | Experiment Computer Operating System |
| LPG | Last Page Generator (Distribution List Used In All OMT'S) |
| BPT | Body Point |
| CFP | Conceptual Flight Profile |
| LLI | Limited Life Item |