Senior Airman Eva Gaus (left) and Senior Airman Jonathan Jones (right) indicate "all clear" to a pilot after checking for beta and gamma radiation March 17, 2011, at Yokota Air Base, Japan. The C-17 Globemaster III transported Japan Ground Self Defense Force troops and vehicles here from Okinawa, to support the relief effort after the earthquake and tsunami, March 11. Airmen Gaus and Jones are assigned to the 374th Civil Engineer Squadron. (U.S. Air Force photo/Osakabe Yasuo)