 But it was not until World War II that the economy boomed, when 16,000 workers were employed to produce ninety-nine Liberty ships and "Knot" ships.During the war, Brunswick's Glynco Naval Air Station was, for a time, the largest blimp base in the world.Since the end of World War II, the city has enjoyed a period of moderate economic activity, centered on its deep natural port, which is the western-most harbor on the eastern seaboard.