| Acronym | Meaning |
| RV | Recovery Vessel |
| LCA | Load Controller Assembly |
| CDRR | Contract Documentation Requirements Records |
| VSN | Video SwitchingNetwork |
| ERSIR | Earth Resources Shuttle Imaging Radar |
| SEC | Secondary |
| MMAS | Material Management Accounting (Accountability) System |
| DAL | Data Aided Loop |
| HAC | Heading Alignment Cylinder |
| TAEM | Terminal Area Energy Management |