| Acronym | Meaning |
| MOA | Memorandum Of Agreement |
| SIGGRAPH | Special Interest Group On Graphics Of The Association Of Computing Machinery |
| MACCM2 | Middle Atmosphere Community Climate Model |
| A/H | Air Handling |
| PSCNET | Pittsburgh Supercomputing Center Network |
| APEX | APLE Prototype Experiment |
| PNA | Pacific/North American |
| IDS | International Data Service |
| DM | Data Management |
| RSCS | Remote Spooling Communications Subsystem |