Mark Esper

About a "dozen or so" Saudi nationals are under the control of the FBI amid an ongoing investigation, DefSec Esper said.

Ten former defense secretaries said the election results are valid and Joe Biden won.

One defense official described the situation to CNN as "scary" and "very unsettling."

Three Trump allies stepped into new roles at the Defense Department, officials announced.

Democrats on Capitol Hill are calling Esper's ouster with two months remaining in Trump's administration reckless.

Acting Under Secretary of Defense for Policy James H. Anderson has submitted his resignation.

Miller is not among the most prominent national security names.

President Donald Trump has fired Defense Secretary Esper days after news outlets projected Trump would not win reelection.

Esper called his brief tenure as leader of the Pentagon "the honor and privilege of a lifetime."

There's a consensus in Washington, D.C. that Defense Secretary Mark Esper is on thin ice with President Donald Trump.