Mark Esper

North Korea fired off what appeared to be a pair of short-range ballistic missiles from its east coast on Saturday.

Esper wants to "make sure [DoD] is doing everything we can to assist soldiers, sailors, airmen and Marines as they transition...

President Donald Trump said the Pentagon now has the money and the will to create the Space Force.

The new SecDef ordered the creation of a task force to address chemicals that have contaminated more than 400 military bases.

"We will escort our ships to the degree that the risks demand it," Esper said.

Army Secretary Mark Esper was confirmed by the full Senate on Tuesday to be the next secretary of defense.

In heated exchanges, Warren demanded to know whether Esper would recuse himself on DoD decisions involving Raytheon.

If confirmed, he said one of his "personal priorities" would be improving the living standards of military families.

Army Secretary Mark Esper's ascent to secretary of defense may be challenged by his ties to the defense industry.

As of Monday afternoon, Navy Secretary Richard V. Spencer is officially the Pentagon's acting defense secretary.