Quote by Janet Napolitano
As part of our layered approach, we have expedited the deployment of new Advanced Imaging Technology (AIT) units to help detect concealed metallic and non-metallic threats on passengers. These machines are now in use at airports nationwide, and the vast majority of travelers say they prefer this technology to alternative screening measures.
Summary
The quote highlights the implementation of Advanced Imaging Technology (AIT) units as a part of a layered security approach at airports. These units are designed to detect hidden metallic and non-metallic threats on passengers. The expedited deployment of these machines across the country has allowed for improved screening measures. Additionally, the quote mentions that a majority of travelers have expressed a preference for this technology compared to alternative screening methods.