Washington — Ashton Carter, who served as the secretary of defense under former President Barack Obama, died Monday after suffering a heart attack, his family said in a statement. He was 68 ...

Robert Gates, the secretary of defense under former President Barack Obama, criticized the mishandling of classified materials by ex-government officials, after various sets of documents were ...

starting as an assistant secretary under Bill Clinton. By the time Mr. Obama nominated him as secretary of defense in 2014, he had worked in almost every corner of the department, including ...

Although Obama had made withdrawing US military ... under then-President Bill Clinton from 1993 to 1996 and as under secretary of defense for acquisition, technology and logistics from 2009 ...

He served as secretary of defense under former President Barack Obama from February 2015 to January 2017. Secretary of Defense Ashton Carter answers questions while talking with United States Navy ...