| Acronym | Meaning |
 | FDSC | Flight Dynamics Situation Complex |
| MHD | Multihead Disc |
| PCL | Primary Coolant Line |
| SAM | SYstem Activation And Monitoring |
| OIL | Operations Integration Instruction |
| SEC | Second |
| PS | Pressure Switch |
| SSIS | Space Station Information System |
| ERS | Entry And Recovery Simulation |
| PPB | Parts Per Billion |
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