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.

Former Defense Secretary Mark Esper refused to carry out such an order during the first Trump administration during the unrest following the 2020 killing of George Floyd by Minnesota police ...

Jim Mattis. Likewise, the Senate voted in 2019 by a 90–8 margin to confirm Trump’s second secretary of defense, Mark Esper. Hegseth first came under fire as sexual assault allegations emerged ...

Trump has tasked Defense Secretary Pete Hegseth and Homeland Security Secretary Kristi L. Noem to recommend whether he should ...

Nancy A. Youssef is a national security correspondent whose reporting has focused largely on the U.S. military and the Arab world.

Tim Kaine on Shanahan allegations, Mark Esper and tensions with Iran President Trump announced Tuesday that Acting Secretary of Defense Patrick Shanahan will not seek confirmation for the ...