The latest selection of files includes a cache of 12 previously unseen videos of mystery objects sighted around the world.
Just as disclosure seems to be gaining traction, the Pentagon is looking into a new way of concealing files from the public.
Yet another selection of UFO-related material has made its way onto the Department of War's website.
A mere two weeks after the first files dropped, the US government had released a second wave of secretive documents.
It doesn't look as though we will have too long to wait to get a look at the next wave of documents.
The long-awaited release of the US government's secretive files on the UFO phenomena is actually happening.
The Pentagon has reportedly selected two contractors to begin working on the seemingly impossible defense project.
The US government has acquired a device that may be responsible for years of unexplained symptoms.
The documents concern an alleged directive to halt a notorious hazing ritual involving claims of alien technology.
A recent Freedom of Information Act response has indicated that no trace of the alleged memo could be found.
A congressionally ordered probe has revealed instances of Pentagon officials spreading disinformation about UFOs.
Officials at the All-Domain Anomaly Resolution Office are looking into new ways to track and manage cases.
The bizarre case is now understood to be one of 21 being more closely investigated by government officials.
The images, which have been shared online, allegedly show several UFOs from 'Immaculate Constellation'.
The report, which was written back in 1983, makes the bold assertion that 'consciousness never dies'.
Pentagon officials have been left stumped by unexplained drone incursions over restricted airspace.
Known as 'Immaculate Constellation', the program is so secret that the Pentagon won't acknowledge that it exists.
The former head of the Pentagon's UFO task force has provided details of what will be in his new book.
The All-domain Anomaly Resolution Office, which investigates UFOs, is now under new management.
The sample, that many had believed was extraterrestrial in origin, had been sent to a lab for analysis.