| Acronym | Meaning |
| UDL | Updata Link |
| TWD | Twisted Double Shielded |
| SCS | Spacecraft Control System |
| LK | Lock |
| ERRC | Expendability/Recoverability/Repair Capability |
| RTAC | Research And Technology Advisory Committee |
| RH | Right Hand |
| MDCS | Material Data Collection System |
| IDSO | Interdivisional Sales Order |
| ESS | Effective Sunset |