7th Fleet repositioned its ships and aircraft away from the Fukushima Dai-Ichi Nuclear Power Plant yesterday after detecting low level contamination in the air and on its aircraft operating in the area. As a precautionary measure, U.S. 7th Fleet ships conducting disaster response operations in the area moved out of the downwind direction from the site. Relief operations have since resumed north of Sendai. We will watch the winds closely in the coming days and move our ships and aircraft as necessary to avoid the windline from Fukushima.
The source of this airborne radioactivity is a radioactive plume released from the Fukushima Dai-Ichi Nuclear Power Plant.
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.
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