| Acronym | Meaning |
| MSL | Mechanical System(s) Laboratory |
| BBC | Before Business Clearance |
| HVSF | Honeywelf Verification Simulation Facility |
| SSE | Space Shuttle Engines |
| RGM | Redundant Gyro Monitor |
| PWBS | Program Work Breakdown Structure |
| GPC | General-purpose Computer |
| RTB | Resistance Temperature Bulb |
| FNL | Final |
| RPL | Rated Power Level |