| Acronym | Meaning |
| DC | Delta Clipper |
| OCTS | Ocean Color And Temperature Scanner |
| MOPITT | Measurements Of Pollution In The Troposphere |
| SMS | Shuttle Mission Simulator |
| GRU | Glavnoye Razvedivatel'noye Upravileniye |
| MOL | Manned Orbiting Laboratory |
| SSI | Solid-State Imager / Space Studies Institut |
| SEP | Societe Europeenne De Propulsion |
| REM | Rat Enclosure Module |
| RKA | Rossiskoye Kosmicheskoye Agentsvo |