| Acronym | Meaning |
| RFNA | Red Fuming Nitric Acid |
| SSPF | Space Station Processing Facility |
| SEPAC | Space Experiments With Particle Accelerators |
| CIS | Commonwealth Of Independent States |
| AU | Astronomical Unit |
| NAS | Numerical Aerodynamic Simulation |
| DCCS | Dynamic Cell Culture System |
| ARC | Astrophysical Research Consortium |
| DCX | Delta Clipper EXperimental |
| SEI | Space Exploration Initiative |