Former Hillary Clinton staffer Jamie Mannina’s criticism of Donald Trump was exposed in an undercover investigation.

Read about President Trump's appointment of Robert Salesses, a retired U.S. Marine Corps officer, as acting secretary of ...

The removal of a portrait of Gen. Mark A. Milley, the former chairman of the Joint Chiefs of Staff, from a Pentagon hallway ...

Joint Chiefs of Staff Chairman Gen. CQ Brown, Jr., who President Trump had threatened to fire once in power, on Monday said ...

The Pentagon on Monday swore in Robert G. Salesses as the acting secretary of Defense while President Trump’s nominee Pete ...

In the future, all social media posts from the Department of Defense will reflect an emphasis solely on "warfighting and lethality" under President Donald Trump, Fox News has learned.

President Donald Trump has named an acting defense secretary because his choice to lead the Pentagon, Pete Hegseth, has not ...

It's hard to tell just where retired General Mark Milley's portrait once hung in the Pentagon's prestigious E-ring hallway, ...