Airman keeps Yokota safe
YOKOTA AIR BASE, Japan -- Senior Airman Anna Hurlbert, 18th Aerospace Medicine Squadron, checks a Radeco every few hours to monitor radiation levels in the air here at Yokota, March 24, 2011. Airman Hurlbert, on temporary duty from Kadena AB, is assisting Yokota's Medical Group to monitor base radiation levels in support of Operation Tomodachi. (U.S. Air Force photo by/Master Sgt. Jeromy K. Cross/released)