UFO researchers have long waited for facts about UFOs, extraterrestrial intelligence, and the pilots and aircraft taken from crash sites. There are over 400 government, military, and intelligence community witnesses testifying to their direct, personal, first hand experience with interdimentionals. Many other countries have released important files concerning their testimonies and reports, but the US is one of the last hold-outs. The FBI launched an online document archive called The Vault. The site is an electronic reading room that has over 2,000 documents scanned in so far. One document discloses an official Washington, D.C. report from the United States Air Force concerning the Roswell, New Mexico saucer crash in 1947. The memo is from a Guy Hottel addressed to the FBI Director, who at the time would have been its founder, J. Edgar Hoover. Dated March 22, 1950, the document provides information on three retrievals of crashed saucers and some additional information about alien occupants claimed to be no more than 3-feet tall. According to the informant, the saucers were believed to have been brought down from radar interference with the controlling mechanisms of the saucers. The Roswell flying saucer crash happened during July 1947. The military retrieved sections of the saucer and dead alien bodies. Some witnesses later testified that one or more of the aliens were found alive. The crash debris was flown to the Wright-Patterson AFB in Ohio.