"The Russian disinformation campaign has already begun,” a Pentagon spokeswoman said.
But the technology probably won't be ready for another 10 to 15 years, arms experts say.
Defense Secretary James Mattis is heading to the White House to show President Donald Trump his options for attacking Syria.
The former Pentagon employee shared a video stating Obama was born in Kenya and another suggesting he was the Antichrist.
A top Russian general reportedly intervened to stop an attack from the U.S., preventing a repeat from last month in which many Russians were killed.
“As crazy as Trump may be, deep down he has trust in Mattis’s judgment,” says former Secretary of Defense Leon Panetta.
It is too soon to talk about details, including the location of Donald Trump's prospective parade, the Pentagon said.
The president has has said he wants to “try to top” France’s Bastille Day parade.
Secretary of Defense James Mattis is traveling through Indonesia and Vietnam on a trip to help bolster U.S. influence in the region and woo several countries away from Russia and China.
ISIS could be helped by a string of Turkish military strikes against Kurdish groups in northern Syria, U.S. Secretary of Defense James Mattis warned Tuesday.
"Be at the top of your game," in case diplomacy with Kim Jong Un failed, was the U.S. defense secretary's Christmas message to soldiers.
He is the first Pentagon chief to visit the detention center since 2002.
When Kim Jong Un tunes in to U.S. media, his closest advisers probably ask him to ignore President Donald Trump and listen to the experts.
The Pentagon is conducting a major review as Iran announces the U.S. military has been added to a list of groups threatening regional stability.
The Pentagon says there are actually 11,000 U.S. troops in Afghanistan, 2,600 more than were previously said to be there.
Mattis is vastly experienced (including in Afghanistan).
Mattis hinted that the U.S. could send defensive weapons to Ukraine.