| Acronym | Meaning |
| LEST | Large Earth-based Solar Telescope |
| SLAR | Side-Looking Airborne Radar |
| IML | International Microgravity Lab |
| RPM | Retro Propulsion Module |
| PLBD | Payload Bay Doors |
| SME | Solar Mesosphere Explorer |
| VAB | Vehicle Assembly Building |
| PDE | Particle Dispersion Experiment |
| RVSN | Raketniye Voiska Stratigcheskovo Naznacheniya |
| MDSSC | McDonnell Douglas Space Systems Corp |