| Acronym | Meaning |
| GPM | Gallons Per Minute |
| DDA | ICD Departure Authorization |
| RM | Redundancy Management |
| BRM | Biological Research Module |
| M&O | Maintenance And Operations |
| S/V | Space Vehicle |
| P/S | Parallel To Serial Converters |
| PCM | Punch Card Machine |
| NAS | National Academy Of Sciences |
| EMIS | Emission |