| Acronym | Meaning |
| RMS | Redundancy Management System |
| SMTAS | Shuttle Model Test And Analysis System |
| PIRN | Preliminary Interface Revision Notice |
| TMBU | Table Maintenance Block Update |
| DESPOT | Design Performance OPtimization |
| BPM | Beats Per Minute |
| SWOB | Salaries |
| CORE | Common Operational Research Equipment |
| MEI | Master Inspection Item |
| MBC | Maximum Breathing Capacity |