| Acronym | Meaning |
| COSTAR | Corrective Optics Space Telescope Axial Replacement |
| FIR | Far InfraRed |
| VVS | Voenno-Vosdushniye Sili |
| EURECA | European Retrievable Carrier |
| NASP | National AeroSpace Plane |
| UBM | Unpressurized Berthing Mechanism |
| AXAF | Advanced X-ray Astrophysics Facility |
| PPM | Positions And Proper Motions (catalog) |
| USMC | United States Marine Corps |
| IPMP | Investigations Into Polymer Membrane Processing |