Declassified 1949 Los Alamos Green Fireball Conference: Early U.S. Government Inquiry into Unexplained Aerial Phenomena
To the point
Declassified records reveal that in 1948–49 Los Alamos physicists Edward Teller, Norris Bradbury, and Lincoln LaPaz debated green fireball sightings near nuclear facilities, fueling an early government study of unexplained aerial phenomena and later releases of UAP files.