| Acronym | Meaning |
| E | LACS Extended Life Attitude Control System |
| ESVS | Escape System Ventilation System |
| PIC | Payload Integration Center |
| CAR | Corrective Action Request |
| MMES | MSFC Mated Element Systems |
| RRI | Rendezvous Radar Indicator |
| G/A | Ground-to-Air |
| TI | Technical Integration |
| UG | Microgram |
| HG | High Gain |