| Acronym | Meaning |
 | ASAP | As Soon As Possible |
| HSCT | High Speed Civil Transport |
| L | Lunar |
| SEAC | (National Bureau Of) Standards Eastern Automatic Computer |
| AIX | Advanced Interactive Executive |
| MAGE | Marine Gas Emissions |
| CE | Combustion Engineering |
| EOL | Earth Observing Laboratory (formerly ATD) |
| MSS | Multi-spectral Scanner |
| DMSP | Defense Meteorological Satellite Program |
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