The term ‘unidentified anomalous phenomena’ (UAP) has replaced ‘unidentified aerial phenomena’ (UFO) to encompass objects seen in air, sea, and space without known origins. This change, adopted by the Pentagon in December 2022, aims to encourage reports from pilots and reduce stigma. UAP gained traction after the establishment of the UAP Task Force in 2020, addressing the need for a broader understanding of these sightings beyond aviation. While UFO still carries conspiracy associations, the UAP terminology seeks to foster transparency and serious investigation.