The Latest Breaking News from Pentagon

If Russia unleashes the forces it has amassed near Ukraine's border to invade its neighbor, the outcome would be "horrific" and result in significant casualties, the top U.S. military officer said on Friday, comparing this moment to the Cold War.

US President Joe Biden says he will move troops to Eastern Europe "in the near term", as his Defense Secretary warns Russia now has a complete range of military options along Ukraine's border, including actions short of a full-scale invasion.

The U.S. State Department has approved the potential sale of air defense radars and C-130 Super Hercules planes to Egypt for a combined value of more than $2.5 billion, the Pentagon said on Tuesday.

The Biden administration is suing to block a Lockheed Martin acquisition that it says would limit competition among companies that supply missiles to the Pentagon

House speaker Nancy Pelosi says she will seek re-election – follow the latest politics news

Pentagon says 8,500 troops are on "heightened preparedness" even as Antony Blinken vows "diplomacy and dialogue"

President Joe Biden declared "total" unity among Western powers Monday after crisis talks with European leaders on deterring Russia from an attack against Ukraine, while the Pentagon said 8,500 US troops were put on standby for possible deployment to boost NATO. "I had a very, very, very good meeting --…

The Pentagon says Defense Secretary Lloyd Austin has ordered about 8,500 U.S. troops on heightened alert, preparing for possible deployment to Europe, if needed, to reassure NATO allies in the face of Russian aggression on the border of Ukraine

WASHINGTON — The Defense Department placed thousands of U.S.-based troops on a heightened alert level Monday, preparing them for a quick deployment to Eastern Europe amid a buildup of Russian forces on Ukraine’s border and stalled diplomatic talks to defuse the crisis.