| Acronym | Meaning |
 | AASO | Army Aeronautical Service Office |
| DBSS | Directed Balloon Sounding System |
| HPO | High Performance Option |
| FWQC | Federal Water Quality Criteria |
| WEAP | Weather Education And Awareness Project |
| NSO | National Solar Observatory |
| LDR | LIDAR |
| IRD | Instrument Requirement Document |
| SMSC | Shared-Memory Supercomputer Systems |
| IWRA | International Water Resources Association |
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