Sailors conduct a countermeasure wash down to remove potential radiation contamination.
PACIFIC OCEAN (March 22, 2011) Sailors aboard the aircraft carrier USS Ronald Reagan (CVN 76) conduct a countermeasure wash down on the flight deck. Sailors scrubbed the external surfaces on the flight deck and island superstructure to remove potential radiation contamination. Ronald Reagan is operating off the coast of Japan providing humanitarian assistance as directed in support of Operation Tomodachi. (U.S. Navy photo by Mass Communication Specialist Seaman Nicholas A. Groesch/Released)