| Acronym | Meaning |
| GFRP | Graphite Fiber Reinforced Plastics |
| STAT | Status |
| TG | Ground Systems |
| OPR | Operations Planning Review |
| DI | Data Integrator |
| MTB | Materials Testing 13ranch |
| GSFC | Goddard Space Flight Center (Greenbelt |
| CMG | Control Moment Gyro |
| EAM | Electrical Accounting Machine |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |