| Acronym | Meaning |
| IPD | Information Processing Division |
| FHC | Flight Half Coupling |
| CTS | Ci'mPuter Test Set |
| TMP | Time Management Processor |
| FSO | Functional Supplementary Objective |
| MFA | Manned Flight Awareness |
| TPM2 | Terminal Phase Midcourse #2 |
| PU | Pickup |
| PGRWG | Payload Ground Requirements Working Group |
| CP | Cargo Program Office (KSC) |