| Acronym | Meaning |
 | MTFF | Columbus Man-Tended Free-Flyer |
| MACRO | Monopoles |
| APM | Atmospheric Particle Monitor |
| SOFI | Spray-on Foam Insulation |
| OCTW | Optical Communications Through The Shuttle Window |
| SBIR | Small Business Innovation Research |
| RIACS | Research Institute For Advanced Computer Science |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
| S | Spiral (for Galaxies) |
| MBB | Messerschmitt-Belkow-Blohm |
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