| Acronym | Meaning |
 | GFDL | Geophysical Fluid Dynamics Laboratory |
 | ACL | Alternative Concentration Level/limit |
 | MTI | Moving Target Indicator |
 | MARD | Modernization Associated Restructuring Demonstration |
 | SCATT | Scatterometer |
 | VELORT | Very Long Range Tracking |
 | PCM | Parallel Climate Model |
 | ESA | Endangered Species Act |
 | ITS | Instrument Technical Specification |
 | FOS | Flight Operations Segment |