Secretary of Defense

McCain Once Threatened to Block Shanahan to Pentagon

"I have to have confidence that the fox is not going to be put back into the henhouse," McCain told Shanahan. He suggested that placing an executive from one of the largest military defense contractors, a man with no prior military experience, in such a powerful Pentagon role could be damaging to the agency.

Obama Mulls Defense Secretary Pick

President Barack Obama is considering a variety of high-profile figures as his candidate to be the next U.S. defense secretary and replace the resigning Chuck Hagel, administration sources said on Monday.