| Acronym | Meaning |
| ECN | Engineering Change Notice |
| RFW | Request For Waiver (Deviation) |
| FBAS | Fixed Base Aft Station |
| EDR | Engineering Design Review |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| NOSE | To Y-ANose To Y-Axis |
| LCL | Local |
| SEICO | SuPPort EquiPment Installation And Checkout |
| DBGMP | DBSData Base System |
| MTEC | Maintenance Test Equipment Catalog |