As of June 1, 2009, the US Department of Homeland Security requires all travelers in the Western Hemisphere to present a Passport for entry or re-entry into the United States.

For Travel by Air: a valid US Passport booklet must be presented to gain entry or reentry into the US.

For Travel by Land or Sea: a valid US Passport booklet or Passport Card must be presented for entry or reentry into the US.

For full information of US travel regulations, please visit the US Department of State Travel site: http://travel.state.gov/travel/cbpmc/cbpmc_2223.html.

To apply for a passport, please visit the Passport site at the US Department of State: http://travel.state.gov/passport/passport_1738_2.html.