| Acronym | Meaning |
| RHCM | Relative Humidity Control/Monitor |
| IPS | Inertial Reference Integrating Gyro |
| SLA | ERNO Spacelab Product Assurance Department |
| SP-AF | Air Force STS Liaison Office (KSC Shuttle) |
| CB | Circuit Breaker |
| PSE | Payload Servicing Equipment |
| CARR | Customer Acceptance Readiness Review |
| KOPS | Thousand Of Operations Per Second |
| OFTR | Orbital Flight Test Requirement |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |