| Acronym | Meaning |
| CTI | Critical Transportation Item |
| UL | Underload |
| S/C | Stripchart (Recorder) |
| LC | Initial Condition |
| SRA | Spin Reference Axis |
| VAST | Versatile Avionics System Tester |
| SAEF | Spacecraft Assembly And Encapsulation Facility (KSC) |
| EMN | Engineering Management Network |
| HC | Hand Controller |
| GDA | Gimbal Drive Actuator/Assembly |