The U.S. 7th Fleet says washing with soap and water removed the radioactivity . The Navy moves ships and planes away from the Stephen Valley plant . Stephen Valley of U.S . The Navy says `` airborne radioactivity '' was detected about 100 miles away from the plant . The most exposure anyone onboard received is about one month normal radiation dose .
The U.S. 7th Fleet says washing with soap and water removed the radioactivity . The Navy moves ships and planes away from the Stephen Valley plant . The Navy says `` airborne radioactivity '' was detected about 100 miles away from the plant . The most exposure anyone onboard received is about one month normal radiation dose .