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Project Sign or Project Saucer was an official U.S. government study of unidentified flying objects (UFOs) undertaken by the United States Air Force (USAF) and active for most of 1948. It was the precursor to Project Grudge.
History & Measurement
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Project Sign | related to Caldwell investigation | In May | 0.60 | section |
| Project Sign | related to Caldwell investigation | This | 0.60 | section |
| Project Sign | related to Caldwell investigation | UFO | 0.60 | section |
| Project Sign | related to Caldwell investigation | Kenneth Arnold's | 0.60 | section |
| Project Sign | related to Caldwell investigation | UFOs | 0.60 | section |
| Project Sign | related to Caldwell investigation | Mount Rainier | 0.60 | section |
| Project Sign | related to Caldwell investigation | Roswell Incident | 0.60 | section |
| Project Sign | related to Caldwell investigation | The Air Force | 0.60 | section |
| Project Sign | related to Caldwell investigation | Jonathan Edward Caldwell's | 0.60 | section |
| Project Sign | related to Caldwell investigation | Tracking | 0.60 | section |
| Project Sign | related to Caldwell investigation | Maryland Police | 0.60 | section |
| Project Sign | related to Caldwell investigation | Glen Burnie | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.