| Acronym | Meaning |
| FTRD | Flight Test Requirements Document |
| ICW | Interrupted Continuous Wave |
| V-BAR | Velocity Vectory Axis |
| MS | Mating Sequence And Control |
| CMD | Command |
| NCGS | Nuclear Criteria Group Secretary |
| BARS | Baseline Accounting And Reporting System |
| SIS | Shuttle Information System |
| DFVLR | Deutsche Forschungs-und Versuchsanstalt Luft-u |
| BFC | Backup Flight Control |