1st Lt. Jason Kaynak, 4th Space Operations Squadron Mission Planning Cell tactician, trains with Spc. 4 Jack Wallace, 4 SOPS ...

SIMI VALLEY, California—“Efficiency” was the word of the weekend at the Reagan National Defense Forum here. Defense-startup executives were giddy at the prospect of gaining comparative ...

Marine Corps Cpl. Joshua Henneberg launches a small unmanned aerial system while training with Philippine marines during ...

B-21 production is a go, Pentagon says Defense undersecretary confirms Northrop Grumman has approval to start making non-test ...

More than a dozen Army general officer positions will get the axe in the coming years, a spokesman for Chief of Staff Gen.

Outgoing secretary Frank Kendall also clapped back at recent comments by Elon Musk about manned vs. unmanned systems.

Bracing for the future, grappling with shipbuilding woes, watching China—and more stories about the sea service.

A bipartisan group of lawmakers is hoping to cure America’s maritime-industry woes with the introduction Thursday of an ...

Defense One Radio, Ep. 161: A trip to Louisiana with the Army’s new recon unit The Army just put a new unit loaded with ...

The United States lists the main militant group that seized power in Syria, Hay'at Tahrir al-Sham, or HTS, as a terrorist ...

The knives are out for the Defense Department’s unfunded priority lists—sometimes called the service branch “wish lists” ...

Undersecretary for acquisitions and sustainment: Michael Duffey, a former U.S. representative who has held several Pentagon ...