Harbour, Monterey, United States.Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282562/free-photo-image-america-boat-cc0Free Image from public domain licenseBeaumont, Texas. Workers leaving the Pennsylvania shipyards. Sourced from the Library of Congress. https://www.rawpixel.com/image/12336971/image-person-public-domain-womanFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. Bow of a vessel just before a launching party. Sourced from the Library… https://www.rawpixel.com/image/12294217/photo-image-person-sky-public-domainFree Image from public domain license