| Acronym | Meaning |
 | M | Mach |
| APA | Administrative Procedures Act |
| ESMF | Earth System Model Framework |
| DOJ | Department Of Justice |
| PIRAC | PC-based Integrated Radar Acquisition Card |
| DBSS | Directed Balloon Sounding System |
| HRPT | High Resolution Picture Transmission |
| SESS | Space Environment Support System |
| AL/APD | ALO Advance Planning Division |
| GHRS | Goddard High Resolution Spectograph |
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