アメリカ合衆国陸軍長官
Louis Edward Caldera (born April 1, 1956) is an American politician and member of the Democratic Party who served as the Director of the White House Military Office from January to May 2009, as the 17th United States Secretary of the Army from July 1998 to January 2001 and as a California State Assemblyman from January 1992 to January 1997.