Why U.S. officials are looking into Cuba

Senior defense officials are examining potential military options in Cuba, CBS News has learned. CBS News contributor Sam Vinograd has more.

• Jul 16

U.S. considering military action against Cuba

The Pentagon is drawing up plans for possible military action in Cuba, U.S. officials say. Charlie D'Agata reports.

• Jul 16

Pentagon proposes new secrecy power to withhold unclassified records from FOIA

The legislative proposal would allow the defense secretary to withhold "controlled unclassified information," potentially curbing public access to a wide range of defense records.

• Jul 15

Disclosure Foundation head on new UFO files

The Pentagon on Friday released a new batch of UFO files, spanning 19 videos and more. Jordan Flowers, executive director of the Disclosure Foundation, joins CBS News to discuss.

• Jul 10

Hegseth looks to tighten military standards

Defense Secretary Pete Hegseth is renewing his push to tighten grooming and fitness standards for American service members. CBS News' Lindsey Reiser has more.

• Jul 10

Watch: Pentagon releases 19 new UFO videos

The Defense Department released a fourth batch of UFO files on Friday, nearly one month after its third drop. These are all of the videos in the latest tranche, plus analysis from astrophysicist Avi Loeb.

• Jul 10

Astrophysicist Avi Loeb on 4th Pentagon UFO drop

The Pentagon released more UFO files on Friday, its fourth tranche since May. Avi Loeb, Baird professor of science at Harvard University and leader of the White House UAP council, joins with analysis.

• Jul 10

Army to share findings of Kuwait attack probe with Gold Star families

Six Americans were killed in the March 1 Iranian strike on a tactical operations center in Kuwait.

• Jul 9

Gen. Christopher Donahue retires

One of the most decorated, combat-tested and respected members of the U.S. Armed Forces, Gen. Christopher Donahue, is retiring, forced out by Defense Secretary Pete Hegseth. He's now one of more than a dozen senior officers who have been recently shown the door. Margaret Brennan reports.

• Jun 24

Wounded soldiers speak out on Iranian attack

Survivors and their families are accusing the Pentagon of downplaying the injuries service members suffered during the deadly Iranian drone strike in Kuwait on March 1. In an exclusive interview with CBS News' Jonah Kaplan, a wounded soldier said he "absolutely" believes the Army and the Pentagon have tried to downplay the incident.

• Jun 24

Alibaba sues Pentagon over blacklist designation

Chinese tech giant Alibaba has filed a federal lawsuit against the Defense Department for designating it a military-linked firm.

• Jun 24

Details on the latest UFO files release

The Pentagon released a third batch of UFO files on Friday as the Trump administration continues its wave of disclosures.

• Jun 13

Watch: Pentagon releases 6 new UFO videos

The Defense Department released a third batch of UFO files on Friday, three weeks after its second drop. These are all of the videos in the latest tranche, plus analysis from astrophysicist Avi Loeb.

• Jun 12

Pentagon releases third batch of UFO files

The Pentagon released more files related to UFOs, or UAPs, that include videos recorded by apparent eyewitnesses. Professor Avi Loeb joins CBS News with more details.

• Jun 12

False alarm apparently triggered hazmat response at Pentagon, sources say

Multiple floors of the Pentagon were locked down for several hours Thursday morning and hazmat crews were deployed for what authorities had described as a "hazardous materials incident."

• Jun 11

Sources: False alarm led to Pentagon incident

A false alarm likely triggered a hazmat response at the Pentagon on Thursday, sources say. Employees are under a shelter in place order until an all clear is issued. CBS News' Eleanor Watson has the latest.

• Jun 11

Pentagon reacts to hazmat investigation

Pentagon spokesman Sean Parnell confirmed a shelter-in-place directive at the Pentagon as officials investigate a potential "hazardous materials incident." CBS News' Eleanor Watson and Sam Vinograd have more.

• Jun 11

Pentagon hazmat investigation underway

Some floors of the Pentagon were evacuated, and other personnel were instructed to shelter-in-place due to a possible hazmat situation involving a potential air quality issue. CBS News' Kelly O'Grady anchored this CBS News special report.

• Jun 11

Pentagon investigating possible hazmat situation

There is an investigation at the Pentagon after the building's systems detected an "air quality issue necessitating precautionary measures," according to a post on social media from the Arlington County, Virginia, fire department. CBS News' Shanelle Kaul reports.

• Jun 11

Poll: Most believe extraterrestrial life exists – and some think it's already here

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

• Jun 11

Pentagon hires man who pleaded guilty in Jan. 6 riot for sensitive civilian job

A man who pleaded guilty to participating in the Jan. 6 riot as a 19-year-old — and later described the events of that day as a "disgrace" — now works for the Defense Department.

• Jun 4

U.S. military practices for AI warfare

The U.S. military conducted exercises in the Moroccan desert to explore the future of warfare, and artificial intelligence took center stage. CBS News' Chris Livesay saw the Army use AI tools to help zero in on targets, and a robot leading forces into a mock battle. A senior commander told CBS News AI is "not going to go away, and we ignore it at our own peril."

• May 29

What's inside the latest UFO file release?

The Pentagon released a new batch of UFO files on Friday, including more than 50 previously classified videos and documents related to findings dating from the 1940s to about six months ago.

• May 22

Watch: Pentagon releases 50 new UFO videos

The Defense Department released a second batch of UFO files on Friday, two weeks after its first drop. These are all of the videos included in the latest tranche.

• May 22

What we know about new UFO file release

The Pentagon has released another batch of never-before-seen files on reported UFO sightings. CBS News senior national security correspondent Charlie D'Agata reports.

• May 22

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