Airport Screening

Airport Screening
FILE - General Electric's Ion Track EntryScan apparatus is shown June 27, 2006, at Lambert International Airport in St. Louis. Airport security officials have spent years exploring technology that could prevent passengers from smuggling explosives onto planes. One approach in particular, millimeter-wave scanning, might have spotted the explosive used in the attempt to blow up a Detroit-bound airliner. But the technology has created privacy concerns because it shows the contours of the body with great clarity, and many U.S. airports do not use the equipment as their primary means of screening. (AP Photo/St. Louis Post-Dispatch, J. B. Forbes)