MUCH ADO ABOUT NOT MUCH: 7th Fleet repositions ships after contamination detected. “For per­spec­tive, the max­i­mum poten­tial radi­a­tion dose received by any ship’s force per­son­nel aboard the ship when it passed through the area was less than the radi­a­tion expo­sure received from about one month of expo­sure to nat­ural back­ground radi­a­tion from sources such as rocks, soil, and the sun.”