| Acronym | Meaning |
| ZHR | Zenith Hourly Rate |
| SEST | Swedish ESO Submillimeter Telescope |
| SSRV | Solar-Sail Race Vehicle |
| STDCE | Surface Tension Driven Convection Experment |
| SDIO | Strategic Defense Initiative Organization |
| AFPRO | Air Force Plan Representative Office |
| ATAL | Alternate Transoceanic Abort Landing |
| GOES | Geostationary Orbiting Environmental Satellite |
| ASCO | Arab Satellite Communications Organization |
| SAA | South Atlantic Anomaly / Single Access Antenna |