| Acronym | Meaning |
| MSL | Mechanical System(s) Laboratory |
| L | Launch |
| SBTC | Speed Brake/thrust Controller |
| SOC | Simulation Operation ComPuter |
| LPFT | LOPW Pressure Fuel Turboprop |
| DIR | Direct |
| EXH | Exhaust |
| MCS | Maintenance And Checkout Station |
| SIV | Sieve |
| VA | Vibro-Acoustic Test |