The Latest Breaking News from Pentagon

Former President Donald Trump hit back at Mark Esper, his onetime secretary of defense, as a “lightweight” and Republican in name only but did not deny bombshell allegations that he wanted to shoot racial justice protesters or fire missiles at drug targets in Mexico.

NPR's Michel Martin speaks with Mark Esper about his forthcoming book, "A Sacred Oath: Memoirs of a Secretary of Defense During Extraordinary Times."

Pentagon ‘vehemently’ objected to book passage over fears it could damage relations with Mexico

Former Defense Secretary Bill Cohen says Trump likens his "powers" to that of Putin

U.S. troops could see their access to abortion severely curtailed if the Supreme Court overturns its landmark ruling on reproductive rights, potentially hurting military recruitment and the retention of women.

US President Joe Biden announced another package of military assistance for Ukraine, as dozens of civilians were evacuated from Mariupol's besieged steelworks, the last pocket of resistance against Russian troops in the port city. Worth $150 million, the latest security assistance would include artillery munitions and radars, Biden said, as…

When Russia launched its invasion of Ukraine at the end of February, the stock prices of many of the world's biggest arms manufacturers spiked. However, most of the hardware being sent to Ukraine is coming from donor nations' existing inventories.

The sinking of Russia’s flagship Moskva missile cruiser last month was a high-profile failure for its military.

The Defense Department will seek supplemental funding from Congress if inflation cuts too much into its buying power.

The British military believes Russia wants to take the port city of Mariupol and its vast steel mill before its marks Victory Day on Monday

Mark Esper writes in new memoir of how worried he was that Trump would try to use US military to hold on to power