What is left of the Boeing 2707
From the Forgotten Machines documentary "What Happened To America's Supersonic Airliner?". Full episode: https://youtu.be/UlHyWsENZdg.
Narrated with an AI voice.
Photographs are archival and credited on screen; maps, diagrams and text cards are drawn for the channel. Full credits are in the episode's pinned comment.
