| Acronym | Meaning |
| AN/FPQ-6 | AN/GSN |
| NTSB | National Transportation Safety Board |
| AR | Administrative Requirement |
| EO-ICWG | Earth Observation International Coordination Working Group |
| IFC | InFlight Black Body Calibrator |
| LRIR | Limb Radiance Inversion (or Infrared) Radiometer |
| MTI | Moving Target Indicator |
| TREC | Tracking Radar Echoes By Correlation |
| NSDL | National Science Digital Library |
| WPL | Wave Propagation Laboratory |