4.049 Visningar
A chronicle of the true top secret U.S. Air Force-sponsored investigations into UFO-related phenomena in the 1950s and ’60s, known as “Project Blue Book”.
Första Air Date : Jan 08, 2019
Senaste Air datum : Mar 24, 2020
Episod : 20 Episod
Säsong : 2 Säsong
Körning: 44:14 minuter
Studio: History
Land: United States of America, Canada
