| Acronym | Meaning |
| OGO | Orbiting Geophysical Observatory |
| UNICOS | Unix Cray Operating System |
| ACARS | ARINC Communications And Relay System |
| AER | Advanced Electric Reactor |
| PRIMO | Problems Related To Ionospheric Modeling And Observations Project |
| ALEXIS | Array Of Low-energy X-ray Imaging Sensors |
| M-ISWS | Illinois State Water Survey |
| MODCOMP | A Machine Manufactured By Modular Computer Systems Inc. |
| AIV | Aviation-impact Variable |
| IR-RAD | Infrared Radiometer |