| Acronym | Meaning |
 | CCU | CRAY Charging Unit |
| DS | Lightning Detection Systems |
| ACS | Administrative Computing And Systems |
| MHR | Mile High Radar |
| AESA | Atmospheric Effects Of Stratospheric Aircraft |
| ACC | Antarctic Circumpolar Current |
| MD | Master Directory |
| ASE | Amplified Spontaneous Emission |
| PEM | Particle Environment Monitor |
| AGARD | Advisory Group For Aeronautical Research And Development |
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