Posted: 09/01/2009
Homeland Security Secretary Janet Napolitano administers the oath of allegiance to 31 immigrant military service personnel representing 20 different countries of origin during a naturalization ceremony in the Pentagon courtyard, Sept. 10, 2009. Defense Secretary Robert M. Gates, seated right with Alejandro Mayorkas, director of the U.S. Citizenship and Immigration Service, later addressed the new citizens, family members and guests. DoD photo by R. D. Ward
