To attend this event, you must be a U.S. Citizen, Permanent Resident, or Protected Person. CCAT is an export-controlled facility, and all visitors will be required to sign in and present proof of U.S. Person Status. Acceptable forms of identification include a REAL ID (U.S. Driver's License with star), Enhanced Driver’s License (NY, VT, WA, MN, MI), U.S. Passport or Passport Card, U.S. Certified Birth Certificate, U.S. Green Card, U.S. Asylum Visa.