3/19/2011 - Airmen scan members of the Queensland Urban Search and Rescue Task Force for radiation exposure here March 20 after returning from a week-long search and rescue mission in Myagi. (U.S. Air Force photo/Master Sgt. Kimberly Spinner)

3/19/2011 - An Airman scans a vehicle for radiation exposure here March 20. The truck was part of a convoy that that just returned from a search and rescue mission in Myagi. (U.S. Air Force photo/Master Sgt. Kimberly Spinner)

3/19/2011 - Senior Airman Jonathan Jones, 374th Civil Engineer Squadron, scans a member of the Queensland Urban Search and Rescue Taskforce for radiation exposure here March 20. The team just returned from a week long search and rescue mission in Myagi. (U.S. Air Force photo/Master Sgt. Kimberly Spinner)

3/19/2011 -  Captain Isaiah Manigault, the deputy chief of the bioenvironmental engineering office at Kadena Air Base, assists Staff Sgt. Nicholas Sweetman, a bioenvironmental engineering technician from the 374th Aerospace Medicine Squadron, with his chemical protection suit here March 20. Sergeant Sweetman was preparing to scan a convoy returning from an urban search and rescue mission in Myagi. (U.S. Air Force photo/Master Sgt. Kimberly Spinner)