| Acronym | Meaning |
| FCA | Frequency Control Analysis |
| ILC | International Latex Corporation |
| HMF | Hypergot Maintenance Facility |
| DUM | Dummy |
| PTP | Point-to-Point Phone(s) |
| TPM2 | Terminal Phase Midcourse #2 |
| CEDC | Cyclic Error Detection Code |
| SH2 | Supercritical Hydrogen |
| MTEM | Maintenance Test Equipment Module |
| OV | Oxygen Vent |