| Acronym | Meaning |
| LPM | Lines Per Minute |
| ONR | Office Of Naval Research |
| ELCHEM | Electrified Clouds As Sources Of NOx |
| AIS | Advanced Isotope Separation |
| DRL | Deliverables Requirement List |
| ONERA | Office National D'Etudes Et De Recherches Aerospatiales |
| APARE | Asian/Pacific Regional Experiment |
| OAO | Office Of Aircraft Operations |
| ETE | Estimated Time En Route |
| TTO/NAS | Transient Tracers In The Ocean (TTO)/North Atlantic Study |