| Acronym | Meaning |
| MBB | Messerschmitt-Belkow-Blohm |
| SL | (Comet) Shoemaker-Levy / SpaceLab |
| GSC | Guide Star Catalog |
| PCGG | PCG Glovebox |
| RAE | Royal Aerospace Establishment |
| OSC | Orbital Sciences Corporation |
| ACRV | Assured Crew Return Vehicle |
| NASP | National AeroSpace Plane |
| CRIM | Commercial Refrigerator Incubator Module |
| SPTN | SPARTAN |