| Acronym | Meaning |
| MELI | Minimum Equipment List Index |
| ISTB | Integrated Subsystem Test Bed |
| DIS | Documentation Index System |
| PS | Payload Support |
| MO | Master Oscillator |
| PAO | Public Affairs Office (Officer) |
| RLA | Repair Level Analysis |
| TAL | Transoceanic Abort Landing |
| CMOS | Complementary Metal Oxide Silicon |
| SIMO | Simultaneously |