United States Air Force officer and former intelligence official David Grusch appeared before the House Committee on Oversight and Authority on July 26, 2023, to offer testimony on the government\u2019s alleged withholding of evidence of unidentified anamolous phenomena (UAPs or UFOs). He told the congressional committee the US government has been covering up physical alien spacecraft since the 1930s, and that physical evidence included not only large components of the spacecraft but \u201cbiologic material\u201d as well.<\/p>\n\n\n\n