| Acronym | Meaning |
 | ERS | Environmental Research Satellite |
| PPF | Columbus Polar Platform |
| HEAO | High Energy Astronomical Observatory |
| TES | Thermal Emission Spectrometer |
| SLAR | Side-Looking Airborne Radar |
| NIST | National Institute For Standards And Technology |
| OTV | Orbital Transfer Vehicle |
| HAO | High Altitude Observatory |
| ISM | InterStellar Medium |
| LANL | Los Alamos National Laboratory |
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