| Acronym | Meaning |
| GRO | Global And Remote Observations Section |
| ALPEX | Alpine Experiment |
| IITA | Information Infrastructure Technology And Applications |
| PSA | Pressure Switch Assembly |
| TERAFLOPS | Trillions Of Arithmetic Operations Per Second |
| RAOB | Radiosonde Observation |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| MUSE | Monitor Of Ultraviolet Solar Energy |
| DNO | Do Not Operate |
| MVS/XA | Multiple Virtual Systems/Extended Architecture |