| Acronym | Meaning |
| U3P | Union Pour La Promotion De La Propulsion Photonique |
| MMT | Multiple Mirror Telescope |
| ISO | Imaging Spectrometic Observatory |
| APM | Atmospheric Particle Monitor |
| MCCC | Maragone Convection On Closed Containers |
| MSS | Multispectral Scanner |
| ISEP | Isolated/Stabilized Exercise Platform |
| SETI | Search For ExtraTerrestrial Intelligence |
| TSTO | Two Stage To Orbit |
| IDL | Interactive Data Language |