Nearly 130,000 pages of declassified Air Force files on UFO investigations and sightings are now available in one place online. Due to the Freedom of Information Act (FOIA). UFO enthusiast John Greenewald Jr. compiled a database called the Project Blue Book Collection, containing nearly every declassified document from Project Bluebook. FOIA began in 1996 when John Greenwald Jr. was at the age of 15, drilling the U.S. Government with the Freedom of Information Act with his effort two decades later the files are released on his website call the TheBlackVault.com
Instead of TheBlackVault.com, the link below is a free website to explore the declassified files from the Air Force and the CIA.
https://www.cia.gov/library/readingroom/collection/ufos-fact-or-fiction
Project Bluebook & The CIA
The government's deceptions of alien conspiracies of the 1950s and '60s. Many are convinced that the US Government, and particularly CIA, are engaged in a massive conspiracy and coverup of the issue. In 2017 their files are now declassified and have over 130,000 pages of reports based on UFOs.
Below are the following images from the CIA's collection of photos and sketches from there recorded reports. The CIA's files are lengthy and have several cases not only from Project Blue Book but all over the world on their pdf files. The readability on most is hard to see while looking through most of them.
https://www.cia.gov/library/readingroom/collection/ufos-fact-or-fiction?page=1