Darin Selnick, the deputy chief of staff for Defense Secretary Pete Hegseth, has been removed, a senior U.S. official ...

Read about the Senate confirmation of Elbridge Colby, former DASD for strategy and force development, as under secretary of ...

The Senate voted Friday to confirm Stephen Feinberg, a billionaire investor, as the deputy secretary of defense, instilling the top two civilian leaders in the Pentagon as the administration ...

Find out more about Buckhout, the newly appointed deputy assistant secretary of defense for cyber policy, a 26-year military ...

Ashton B. Carter, a former deputy secretary of defense, is also a seasoned national security professional President Barack Obama is considering two former Defense Department officials as ...