WASHINGTON – Just before leaving his Defense Department job two months ago, intelligence officer Luis Elizondo quietly arranged to secure the release of three of the most unusual videos in the Pentagon’s secret vaults: raw footage from encounters between fighter jets and “anomalous aerial vehicles” – military jargon for UFOs. The videos, all taken from cockpit cameras, show pilots struggling to lock their radars on oval-shaped vessels that, on screen, look vaguely like giant flying Tic Tacs.