A TSA agent watches a traveller as she undergoes a millimeter wave scan before boarding her flight at Ronald Reagan Washington National Airport

 
A TSA agent watches a traveller as she undergoes a millimeter wave scan before boarding her flight at Ronald Reagan Washington National Airport
A Transportation Security Administration (TSA) agent watches a traveller as she undergoes a millimeter wave scan before boarding her flight at Ronald Reagan Washington National Airport in Washington November 24, 2010. Millions of Americans took to the skies on Wednesday for the start of the Thanksgiving holiday amid protests by some travellers about heightened , more invasive security procedures. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY TRANSPORT)