| Acronym | Meaning |
 | DFE | Direction Finding Equipment |
| COMM | Communications |
| NPDS | Nuclear Particle Detection Subsystem |
| NSR1 | First Coell;ptic Maneuver |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
| LAGEOS | Laser Geodynamic Satellite |
| SPC | Shuttle Processing Contractor |
| MSF | Manned Space Flight |
| GNC | GuGNCGuidance And Navigation COmPuter |
| STSG | Shuttle Test Group |
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