The U.S. Department of Defense has just unveiled a fourth set of declassified documents detailing encounters with unidentified anomalous phenomena. Defense Secretary Pete Hegseth emphasized that these long‑held files fuelled justified speculation and affirmed the public’s right to access the information. The release follows a series of prior declassifications and narrows what was once an opaque area of U.S. military history. Analysts note that the documents add context to bizarre lights and “boxy” forms seen by pilots, further fueling debate over what constitutes evidence of extraterrestrials.