| Acronym | Meaning |
| ARCSS | Arctic Systems Science |
| GCTE | Global Change And Terrestrial Ecosystems |
| BAC | Biosphere-Atmosphere Chemistry |
| DFS | Design And Fabrication Services |
| APOLLO2 | RTD SRL Code For Operating Limits |
| ICC | Instrument Control Center |
| MOA | Memorandum Of Agreement |
| GIS | Geographic Information Systems |
| ETA | A Subsidiary Of Control Data Corporation That Manufactures Supercomputers |
| IBM | International Business Machines Corporation |