Friday's drop included an audio recording and transcript of a Project Blue Book presentation given in March 1952 by Capt. Edward J. Ruppelt. "What was most puzzling based on the new information is that these objects were moving up to five times the speed of sound, but not making any sound," Loeb told "NewsNation Prime."

[Retweeted] The Pentagon released a sixth batch of UFO-related documents, videos and images Friday, including a highly anticipated audio recording from a 1952 Project Blue Book briefing. The recording contains information about the Air Force’s use of the Battelle Memorial Institute as a contractor. @NancyLoo MORE: https://t.co/NkTnBNRMZZ

🇺🇸 Rep. Eric Burlison says we are seeing the same UFO's at Oak Ridge, Los Alamos & White Sands 70 years on 🛸👽 In 1952, unexplained objects were being reported around Oak Ridge, Los Alamos, and White Sands. That same year, Project Blue Book chief Capt. Edward J. Ruppelt briefed Air Force investigators on silent, disc shaped objects that were highly maneuverable. He said the silence was the part that stood out, because they had no knowledge of any power plant that would be completely silent...

[Retweeted] Nearly 75 years on, a newly released @USAirForce UAP investigation file shows how readily USAF investigators sought to ignore the evidence of anomalous phenomena: • On 2 July 1952, Navy Chief Warrant Officer Delbert C. Newhouse, an experienced photographic specialist, filmed approximately 12–14 bright objects near Tremonton, Utah. Release 06 gives us not just another copy of the famous film, but the Project Blue Book documentation surrounding its technical analysis. The remarkable...

Nearly 75 years on, a newly released @USAirForce UAP investigation file shows how readily USAF investigators sought to ignore the evidence of anomalous phenomena: • On 2 July 1952, Navy Chief Warrant Officer Delbert C. Newhouse, an experienced photographic specialist, filmed approximately 12–14 bright objects near Tremonton, Utah. Release 06 gives us not just another copy of the famous film, but the Project Blue Book documentation surrounding its technical analysis. The remarkable part is the...

[Retweeted] 6th PURSUE FILES DROP: This audio file records a March 1952 presentation by Captain Edward J. Ruppelt, outlining the U.S. Air Force’s reorganized investigation into unidentified flying objects (UFOs). The presentation previews prospective technical methodologies that were subsequently incorporated into Project Blue Book, a U.S. Air Force program active from 1952 to 1969 that investigated the nature and origin of UFOs. Ruppelt explains that out of approximately 800 historical cases...

[Retweeted] The Pentagon released a sixth batch of UFO files Friday morning, which includes a highly anticipated audio recording from a 1952 Project Blue Book briefing. MORE: https://t.co/zB4UCEA8Io https://t.co/1gUeQx1Csk

Also released today: DOW-UAP-PR160, Presentation by Captain Edward J. Ruppelt, 1952 This audio file records a March 1952 presentation by Captain Edward J. Ruppelt, outlining the U.S. Air Force’s reorganized investigation into unidentified flying objects (UFOs). The presentation previews prospective technical methodologies, such as diffraction-grating photography and radar-scope synchronization, that were subsequently incorporated into Project Blue Book, a U.S. Air Force program active from 19...