| Acronym | Meaning |
| NOSS | National Ocean Satellite System |
| PGS | Product |
| STRATCOM | Stratospheric Composition Experiment |
| ENACEOS | Energetic Neutral Atom Camera For EOS |
| RAMS | Random Access Measurement System |
| DTF3 | Diagnostic Turbulent Flux Algorithm |
| NSS | Nodal Switching Subsystem |
| ESFU | Enhanced Standard Format Unit |
| OR | Operational Research |
| ELSCAM | Electra Scalar Measurements |