| Acronym | Meaning |
| PRSD | Power Reactant Storage And Distribution |
| SEB | Scientific Equipment Bay |
| MOPS | Mission Operations Planning System |
| DDI | Discrete Data Input |
| LST | Large Stellar Telescope |
| ITS | Instrumentation Telemetry Station |
| SDD | Software DescriPtion Document |
| RGP | Rate Gyro Package |
| CTPD | Crew Training And Procedures Division (JSC) |
| SPA | S-Band Power Amplifier |