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 APPENDIX C: INDEX OF KEY TERMS

This report uses the following defining terms:


 * Range Fouler: Defined by U.S. Navy aviators based on observations of UAP interrupting pre-planned training or other military activity in military operating areas or restricted airspace.


 * Transmedium Objects or Devices: Objects or devices that are observed to transition between space and the atmosphere, or between the atmosphere and bodies of water, that are not immediately identifiable.


 * Unidentified Aerial Phenomena (UAP): Airborne objects not immediately identifiable. The acronym UAP represents the broadest category of airborne objects reviewed for analysis.


 * UAP Event: A holistic description of an occurrence during which a pilot or aircrew witnessed (or detected) a UAP.


 * UAP Incident: A specific part of the event.


 * UAP Report: Documentation of a UAP event to include verified chains of custody and basic information such as the time, date, location, and description of the UAP. UAP reports include Range Fouler reports and other reporting.