| Acronym | Meaning |
| RVSN | Raketniye Voiska Stratigcheskovo Naznacheniya |
| MSS | Multispectral Scanner |
| RCC | Reinforced Carbon-Carbon |
| ANSI | American National Standards Institute |
| HTHL | Horizontal Takeoff Horizontal Landing |
| FPD | Flight Projects Directorate |
| STC | Stennis Test Center |
| JILA | Joint Institute For Laboratory Astrophysics |
| HRSR | High-Resolution Scanning Radiometer |
| IFEA | Integrated Furnace Experiment Assembly |