| Acronym | Meaning |
 | SEC | Secondary |
| LHCP | Left Hand Circularly Polarized |
| NASCOM | NASA Communications (Network) |
| SRPA | Spherical Retarding Potential Analyzer |
| SSS | Station Set Specification |
| D | Deck |
| FCDB | Flight Control Data Bus |
| IPAD | Integrated Program For Aerospace Vehicle Design |
| DIPL | Display Initial Program Load |
| D | Deliver (Delivery) |
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