Knowing what you can and cannot have in your carry on bag will help you move through security quickly and easily. Visit this site for current TSA restrictions.
The Smart Traveler Enrollment Program (STEP) is a free service to allow U.S. citizens and nationals traveling and living abroad to enroll their trip with the nearest U.S. Embassy or Consulate.
Important steps to follow before departure can be found here.
Find information on travelers health, including recommended vaccinations and travel warnings here.