| Acronym | Meaning |
| EMC | Electromagnetic Compatibility |
| SSL | System Software Loader |
| PDA | Propellant Drain Area |
| OIR | Operations IntegrationReview |
| K-APM | KSC Automated Payloads Plan/Requirement |
| RVDT | Rotary Variable Differential Transducer |
| OCD | Operational Capability Development |
| RM | Reference Mission |
| ODRAN | Operational Drawing Revision Advance Notice |
| SDD | Shuttle Design Directive |