The U.S. military is defending an airstrike on pro-Syrian government forces last week that reportedly killed Russian mercenaries.
The U.S. urged members of the coalition fighting Islamic State to help rebuild Iraq or risk the reversal of the gains made against the group there.
The Pentagon is expected to kill its long-awaited JSTARS recap plane program in its fiscal 2019 budget request, according to a report.
The U.S. plans to use a new sea-launched nuclear missile as negotiating leverage against Russia, Pentagon chief James Mattis said Tuesday.
President Trump's new Nuclear Posture Review shows greater willingness to use nukes first, charges an arms control expert.
Perdue is the ninth Cabinet official in line for presidential succession.
Defense Secretary Jim Mattis stressed diplomacy as the way to deal with the North Korean crisis.
The 2018 budget still hasn't made it through Congress.
Republicans forced Democrats to re-open the government, but neither have gotten what they want, which might make resolving the next shutdown harder.
A government shutdown could impact the White House's 2019 defense budget plan and President Trump's planned military buildup, say experts.
The Trump administration is preparing to withhold tens of millions of dollars from the U.N. agency for Palestinian refugees.
North Korea's participation in the Winter Olympics could result in further talks on the country's nuclear weapons program.
Pentagon boss Jim Mattis is a storyteller, and at no time do the tales flow more easily than when he's among the men and women of the military.
The U.S. is "crushing the life out of the caliphate" but Islamic State still remains a threat, Defense Secretary James Mattis said Friday.
South Korea and Japan are considering the jump-jet F-35B stealth plane for warships in a move that could add more firepower in the region.
Key Democrats plan to meet with the president and GOP lawmakers to avert a government shutdown, but if one happens defense could feel pain.
An earlier missile tested by North Korea in July had a far shorter range than the ICBM fired on Tuesday, which fell into the Sea of Japan.
The White House has to help New Delhi on the issues that it cares about, experts say.
If President Donald Trump ordered a pre-emptive nuclear strike, could anyone stop him? The answer is no.
President Trump promised to eliminate the defense sequester and "rebuild our military," but progress is mixed.