| Acronym | Meaning |
| ID | Interface Diagram |
| CLR | Clear |
| PHB | Photographic Bulletin (tdc 69) |
| IRDS | Information Resource Dictionary System |
| MVT | Module Verification Testing |
| LSAR | Logistics Support Analysis Record |
| SPDL | Standardized Page Discriptor Language |
| QDMMR | Qdmm Right |
| DAU | Data Acquisition Unit |
| GS | Glide Slope |