Former Defense Secretary Mark Esper, who served under President Donald Trump during his first term, told NBC News' Kristen ...

Mark Esper, Former United States Secretary of Defense, warns the U.S. is unprepared for a prolonged conflict with Iran due to weak weapons stockpiles and defense capacity, while stressing AI’s ...

President Donald Trump tweeted on Monday that Sec. of Defense Mark Esper has been terminated. Trump added that he has tasked Christopher C. Miller to take over as Acting Sec. of Defense. Esper took ...

Former Secretary of Defense Mark Esper has become the latest ex-official from President Trump’s first term to lose their security detail, according to a report. The Pentagon revoked Esper’s ...

In this 2020 photo, Mark Esper testifies in the Hart Senate Office Building in Washington, DC. President Donald Trump has revoked the security detail assigned to his former Defense Secretary Mark ...

Former Defense Secretary Mark Esper, who served during President Donald Trump’s first term, does not believe the military is the “best tool” to stop drug trafficking in response to the current U.S.

WASHINGTON - Former Defense Secretary Mark Esper claims in a lawsuit against the Defense Department that material is being improperly withheld from his use as he seeks to publish an "unvarnished and ...

Moderator, "Face the Nation with Margaret Brennan;" Chief foreign affairs correspondent Margaret Brennan is moderator of "Face the Nation with Margaret Brennan" on CBS. Based in Washington, D.C., ...