| Acronym | Meaning |
 | ERTS | Earth Resources Technology Satellite |
| F&A | Finance And Administration |
| SPAN | Space Physics Analysis Network |
| O AND E | Operations And Equipment |
| ARPA | Advanced Research Projects Agency |
| AWF | Aging Waste Facility |
| DCO | Delayed Compliance Order |
| ATA | Air Transport Association |
| GOS | Geomagnetic Observing System |
| ARTCC | Air Route Traffic Control Center |
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