| Acronym | Meaning |
 | SSITP | Shuttle System Integrated Test Plan |
| ELS | Elevon Load System |
| OBV | Oxidizer Bleed Valve |
| V-RTIF | Vandenberg Real Time Interface |
| DDS | Detailed Design Specification |
| SDT | Shuttle Data Tape |
| ARTS | Automated Resource Tracking System - ARTEMIS |
| GCOS | General Computer Operational System |
| LCF | LowCycle Fatigue |
| ECF | Equivalency Capability File |
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