| Acronym | Meaning |
| MFR | Multifunctional Receiver |
| SOCS | Subsystem Operation And Checkout System |
| TY | Translation Hand Controller Y-Axis Direction |
| NSR2 | Second Coelliptic Maneuver |
| PICRS | Program Information Coordination And Review |
| BSR | Basic System Release |
| EMD | Entry Monitor Display |
| SCRS | Serialized Control And Reporting System |
| DFRN | PRESSDifferential Pressure |
| IDT | I-load Data Tape |