| Acronym | Meaning |
| USMP | United States Microgravity Payload |
| ACRV | Assured Crew Return Vehicle |
| KPNO | Kitt Peak National Observatory |
| SST | Spectroscopic Survey Telescope / SuperSonic Transport |
| SNG | Sodruzhestva Nezabisimikh Gosudarst |
| HV | High Voltage |
| CERES | Clouds And Earth's Radiant Energy System |
| POCC | Payload/Platform Operations Control Center |
| SPTN | SPARTAN |
| SSPS | Sky Survey Prototype System |