| Acronym | Meaning |
 | VF | Voice Frequency |
| BAC | Budgeted Cost At Completion |
| ERTS | Earth Resources Technology Satellite |
| SMS | Synchronous Meteorological Satellite |
| DS | Lightning Detection Systems |
| AFOS | Automation Of Field Operations And Services |
| PCAS | Passive Cavity Aerosol Spectrometer |
| ADAAC | EOS Program |
| AMRIR | Advanced Medium Resolution Imaging Radiometer |
| FDA | Food And Drug Administration |
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