The Why Files: Operation PodcastBasement: Marc D'Antonio | UFO Propulsion, The Fifth Dimension, and 40 Billion Habitable WorldsFast mover on the sub
1:37:32–1:40:20 · 168s
Aboard a U.S. submarine, Marc hears sonar call out a 'fast mover' traveling several hundred knots underwater; the XO calmly orders, 'Log it and dog it,' as if it’s routine.