Clue: Subject of Project Blue Book
We have 1 answer for the clue Subject of Project Blue Book. See the results below.
Possible Answers:
Related Clues:
- ET carriers
- E.T. vehicles
- Abduction sites, supposedly
- Saucers, maybe
- Eerie sightings
- Unaccounted-for radar blips
- Subjects of a U.S. Air Force cover-up?
- Abductors' craft, some say
- Roswell sightings
- ET's transports
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