| Acronym | Meaning |
| KP | Geomagnetic Planetary Index |
| CAST | Chinese Academy Of Space Technology |
| MMS | Minerals Management Service |
| DAC | Douglas Aircraft Corporation |
| OSA | Optical Society Of America |
| UT / LS | Upper Troposphere/ Lower Stratosphere |
| NOAO | National Optical Astronomy Observatories |
| OSPF | Open Shortest Path First |
| OASM | Operational Analysis Support Model |
| PPI | Plan-postition Indicator |