PORT-AU-PRINCE, Haiti (Jan. 23, 2010) Haitian-Americans prepare to board a U.S. Air Force C-17 Globemaster III transport aircraft destined for the United States while evacuating from Port-au-Prince, Haiti. Several U.S. and international military units and civilian aid agencies are supporting Operation Unified Response after a 7.0 magnitude earthquake caused severe damage near Port-au-Prince Jan. 12. 10HE0123-N-6247V-122 (USN)