The video is an IMarEST TV recording of a technical lecture presented by William Shepherd, Former NASA Astronaut, on the sidelines of a joint technical meeting of the IMarEST (Eastern USA Branch), the Society of Naval Architects and Marine Engineers (SNAME), the Society of Marine Port Engineers (SMPE), and the American Society of Naval Engineers (ASNE), held at in New York City, on 15 November 2017.