| Acronym | Meaning |
| SSS | Sound Suppression System |
| SSCA | Surface Sampler Control Assembly |
| OMR | Operations Management Room |
| HRPS | Hazard Reduction Precedence Sequence |
| STM | Signal Termination Module |
| GOSS | GrGOSSGround Operations Support System |
| SPP | Simulation Planning Panel |
| CPM | Critical Path Method |
| EQUIV | Equivalent |
| PALS | Precision Approach And Landing SYstem |