Sen. Marco Rubio says Chinese surveillance is a problem the federal government needs to pay more attention to.

Pentagon senior leaders are not quarantining after coming in contact with the Lithuanian defense minister, who tested positive for COVID-19.

"I'm increasingly worried with each passing day," an infantry officer who served in Afghanistan's most dangerous province says.

The Defense Department has added the vaccine to the list of required shots troops must get to serve in the military.

Extensive damage at Kabul airport has raised questions over how soon the transport hub could resume for regular commercial flights.

The Department of Defense said it approved the additional troops at the request of U.S. Central Command.

The family says the strike killed 10 relatives, including six children.

The blast occurred after U.S. officials warned people at three airport gates to evacuate immediately due to an unspecified security threat.

The insurgents now control about two thirds of the nation as the U.S. and NATO finalize their withdrawal from the region.

Homeland Security Secretary Alejandro Mayorkas said more than 40,000 people have already arrived in the U.S. and that number is expected to rise.

Taliban leaders insist they have no ill intentions and want to cooperate with other countries but many Afghans are skeptical of the days ahead.

The DOJ, DOD, DHS, NSA and other agencies all say Russia, China, Iran or other foreign actors will try to influence the 2020 election.

On Monday, the Defense Department released three videos shot in 2004 and 2015 to the public.

Navy images of UFOs have leaked in recent weeks, as lawmakers, former military personnel, and researchers await a report.

Amazon lost out on the $10 billion contract to Microsoft to provide cloud computing services to the Pentagon.