After journalist Jessica DuLong was laid off from her dot-com job, her life took an unexpected turn. A volunteer day aboard an antique fireboat, the John J. Harvey, led to a job in the engine room, where she found a taste of home she hadn't realized she was missing. Working with the boat's finely crafted machinery, on the waters of the storied Hudson, made her wonder what America is losing in our shift away from hands-on work. Her questions crystallized after she and her crew served at Ground Zero, where fireboats provided the only water available to fight blazes.

Vivid and...