| Acronym | Meaning |
| M | LAMonochrome Lens Assembly |
| OCN | Order Control Number |
| HAL | High Order Articulated Language |
| SOW | Statement Of Work |
| EOHT | External Oxygen And Hydrogen Tanks |
| VIS | Verification Information System |
| ICB | Interrupt Control Block |
| LLPO | Launch And Landing Project Office |
| OT | Out Temperature |
| PCRB | Program Change Review Board (RI Launch |