| Acronym | Meaning |
 | U3P | Union Pour La Promotion De La Propulsion Photonique |
| UHF | Ultra High Frequency |
| ASI | Agenzia Spaziale Italiano |
| DOE | Department Of Education |
| PPM | Positions And Proper Motions (catalog) |
| HRDI | High Resolution Doppler Imager |
| ATO | Abort To Orbit |
| TPCE | Tank Pressure Control Experiment |
| IDL | Interactive Data Language |
| ENSO | El Nino/Southern Oscillation |
Browse by Letter:
