| Acronym | Meaning |
 | RD | Reference Designator |
| EKG | Electrocardiograph (Instrument) |
| S/S | Space Shuttle |
| MRL | Manipulator Retention Latch |
| CDS | Control Data Corporation |
| BCRD | Basic Consolidated Requirements Document |
| GSFC | Goddard Space Flight Center |
| PCM | Pulse Code Modulator |
| MCCC | Mission Control And Computing Center |
| NSS | Nitrogen Supply Subsystem |
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