| Acronym | Meaning |
| HL | Hydrogen Line |
| OML | Outside Mold Line |
| MANF | Manifold |
| SLSMS | Spacelab Support Module Simulator |
| EX | Executive Management Office (KSC Directorate) |
| VSWR | Visual Standing Wave Ratio |
| S/M | Service/Maintenance |
| VFE | Vendor Furnished EquiPment |
| ILS | IntegratedLogistics Support |
| NR | Noise Rating |