surrounding unidentified anomalous phenomena. (17) Record The term record includes a book, paper, report, memorandum, directive, email, text, or other form of communication, or map, photograph, sound or video recording, machine-readable material, computerized, digitized, or electronic information, including intelligence, surveillance, reconnaissance, and target acquisition sensor data, regardless of the medium on which it is stored, or other documentary material, regardless of its physical form or characteristics. (18) Review Board The term Review Board means the Unidentified Anomalous Phenomena Records Review Board established by section 9007. (19) Technologies of unknown origin The term technologies of unknown origin means any materials or meta-materials, ejecta, crash debris, mechanisms, machinery, equipment, assemblies or sub-assemblies, engineering models or processes, damaged or intact aerospace vehicles, and damaged or intact ocean-surface and undersea craft associated with unidentified anomalous phenomena or incorporating science and technology that lacks prosaic attribution or known means of human manufacture. (20) Temporarily non-attributed objects (A) In general The term temporarily non-attributed objects means the class of objects that temporarily resist prosaic attribution by the initial observer as a result of environmental or system limitations associated with the observation process that nevertheless ultimately have an accepted human origin or known physical cause. Although some unidentified anomalous phenomena may at first be interpreted as temporarily non-attributed objects, they are not temporarily non-attributed objects, and the two categories are mutually exclusive. (B) Inclusion The term temporarily non-attributed objects includes— (i) natural celestial, meteorological, and undersea weather phenomena