Former Sec. of Defense Mark Esper writes in A Sacred Oath about talking the president out of a plan to punish U.S. Navy Adm. William McRaven and retired U.S. Army Gen. Stanley McChrystal Former ...

A portrait of Mark Esper from his time as Secretary of the Army placed in the Pentagon has been removed as of Wednesday.

WASHINGTON (JTA) — President Donald Trump has fired his defense secretary, Mark Esper, who has played a key role in assuaging Israeli concerns about the sale of stealth combat jets to the United ...

President Donald Trump says he has fired Defense Secretary Mark Esper. It's a stunning move on the heels of Trump’s failed reelection bid. It could also unsettle U.S. allies and partners.