About 350 workers are on board the Thialf, Equinor said, but by the project’s end, about 500 workers and some 35 vessels will have worked on the project, including many U.S.-based contractors.

November 13, 1989, is a date Dorothy Cotton of Rock Island will never forget. It was the day she opened her home to her first foster child. Since then, she has been a foster parent to 180 children.