Its a small amount, (they say) and it arrived in the cargo area of the airliner, but is this what we will be seeing more of, and soon?
http://dfw.cbslocal.com/2011/03/17/low-level-radiation-detected-on-incoming-dfw-flight/
http://cbsdallas.files.wordpress.com/2011/03/radioactive-japan_1103848.jpg?w=420