| Acronym | Meaning |
 | PAR | Performance Assurance Requirements |
| ARWG | Atmospheric Radiation Working Group |
| BU | Bargaining Unit |
| OIRTD | Office Of Industrial Relations And Technology Development |
| PCM | Punched Card Machine |
| ASD | Aircraft Situation Display |
| AL/MRD | AL Management Review Division |
| AM | Ampex |
| POSIX | Portable Operating System Interface For Computer Environments |
| ROSE | Rural Oxidants In The Southern Environment |
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