The U.F.O. Phenomenon |
Common terms and phrases
aircraft airliner airship aliens Allen Allen Hynek American appeared astronomer Barauna Barney Betty Betty Hill Boas Bühler Captain centre close encounters cloud Condon Report contactees control tower crew diameter disappeared disc disc-shaped object door Earth experience extraterrestrial extraterrestrial spaceships eyes eyewitnesses feet fighters film flew flying saucers Flynn foo fighters gigantic ground Hickson Hynek incident intelligence investigation Jessup Keyhoe land later light light-years London looked machine Mantell metal miles minutes missile Naval night noise noticed observed official photographs pilots planet Professor Project Blue Book Project Grudge Project Sign psychokinesis radar radar screens radio reports of sightings Reverend Gill Robertson Panel Ruppelt Russians scientific scientists Secret Service seemed seen Soviet space Spargo stars strange suddenly told took U.F.O. phenomenon U.F.O. problem U.F.O. reports U.F.O. research U.F.O. sightings U.S. Air Force ufology unidentified flying objects yards Zamora