Retired Adm. Dennis C. Blair, President Obama’s director of national intelligence, is a former commander of the U.S. Pacific Command with long military experience.

President Barack Obama’s attorney general, Eric H. Holder Jr., has criticized some of the Bush administration’s counter-terrorism moves, calling for the closure of the Guantanamo Bay detention center…

Janet Napolitano, experienced in federal law enforcement and immigration issues, has been selected for secretary of the Department of Homeland Security.

Treasury Secretary Timothy Geithner brings experience in global financial crisis management for the Fed, expertise on Asia, and perspective from work with the International Monetary Fund.

Secretary of State Hillary Clinton, a senator and former First Lady, has offered a tough pragmatism on national security matters and called for reviving U.S. credibility in the world.