Why former Defense Secretary Ash Carter wouldn't work for Trump
"It's not politics, it's personal conduct," Carter defended on "CBS This Morning" on Monday
United States Department of Defense
Slain soldier's dad unhappy with Pentagon action over Niger ambush
Ex-defense chief Mattis ordered review, worried lower ranking soldiers were taking too much blame, but replacement Patrick Shanahan has recommended no more top brass be punished
U.S. service members seen wearing MAGA-inspired patches may have broken rules
The patches could fall under the DoD's strict guidelines against showing partisanship
James Mattis says forthcoming book is far from a tell-all
"Call Sign Chaos: Learning to Lead" will be published July 16
Trump to order 1,500 troops to Middle East
The order comes as Trump is departing for Japan over Memorial Day weekend
Elizabeth Warren introduces bill to curb defense lobbying
Warren wants to limit the influence of big defense contractors on national security spending
Trump to nominate Patrick Shanahan as next defense secretary
Shanahan has been the acting defense secretary since January
Pentagon halts effort to recover war remains from North Korea as talks stall
"We have reached the point where we can no longer effectively plan, coordinate, and conduct field operations in the DPRK," the Pentagon said
Sexual assault in military spiked nearly 40 percent, Pentagon says
"This is unacceptable. We cannot shrink from facing the challenge head on. We must, and will, do better," wrote the acting secretary of defense
Pentagon launches ethics probe into its acting chief over Boeing ties
The FBI has joined a growing list of those demanding answers following two deadly crashes that occurred within just months of each other and killed 346 people
Pompeo: Trump administration doing "everything" it can to free Americans in Iran
"We're having conversations with all the people who have the ability to help get them back," Pompeo said
The final straw that triggered Mattis to resign
Lawmakers from both parties voiced concerns and criticism about the defense secretary's abrupt resignation
Major takeaways from James Mattis' resignation letter
The outgoing secretary of defense made it clear that he had disagreements with Trump's approach to the world
U.S. will send over 5,200 troops to U.S.-Mexico border in response to caravans
The deployment is a direct response to two large migrant caravans traveling through Mexico and Central America toward the U.S.
Problems for Pentagon's immigrant recruit program
The decade-old program has been on hold since 2016 amid concerns that immigrant recruits were not being screened well enough
Space Force is in the market for a logo and President Trump is letting Americans vote
There's one shaped like a shield, a few with cartoonish spaceships and one emblazoned with the words "Mars awaits"
U.S. service member killed, 2 injured in Afghanistan "insider attack"
The injured service members are being treated and are in stable condition, according to a statement
Ex-Trump doc under investigation by Pentagon
Trump had previously tapped White House doctor Ronny Jackson to run the VA, but unsubstantiated allegations about Jackson's conduct tanked his nomination
Commentary: America's military and Donald Trump
America's military has quite a bit to celebrate this year—in large part thanks to President Trump
Pentagon sees increase in sexual assault reports
Most of the increase was a result of more women reporting incidents, the Defense Department said
White House announces ban on most transgender service members
Trump's ban on transgender military service was to go into effect Friday, but the policy's implementation has been stalled by ongoing legal challenges
New videos shed light on Pentagon's secretive UFO program
Newly-released video captured by baffled U.S. Navy pilots offers an inside look at a secretive government program that investigated UFOs
Report: Pentagon program investigated reports of UFOs
Pentagon officials have acknowledged the program's existence, The New York Times reports
Transgender people will be able to enlist in military next year
Transgender people can enlist in military beginning Jan. 1, despite Trump's opposition, CBS News' David Martin confirms
CBS News looks into how sexual assault cases are handled at U.S. Air Force Academy
More than a dozen current and former cadets tell CBS News they reported their sexual assaults to the Academy, then experienced retaliation
live updates
Charlie Kirk shot and killed at Utah event, Trump confirms; gunman still at large, sources say
Conservative activist and Turning Point USA co-founder Charlie Kirk died Wednesday after he was shot at an event at Utah Valley University, President Trump confirmed.
Charlie Kirk, conservative political activist, dies at 31 in shooting
Kirk died Wednesday after he was shot in the neck at Utah Valley University.
Politics, retribution behind FBI purge, agents allege in new lawsuit
A new lawsuit filed by fired FBI agents says the bureau "tried to put the President in jail and he hasn't forgotten it."
Harris: Biden 2024 decision shouldn't have been "left to an individual's ego"
Former Vice President Kamala Harris' book, "107 Days," will detail her sprint of a race for the presidency.
Shooting at Evergreen High School leaves 3 students wounded
At least three students were wounded Wednesday in a shooting at a high school in the Denver metro area.
Poland says Russian drones downed in its airspace during attack on Ukraine
Polish and allied NATO warplanes shot down Russian drones that entered Poland's airspace in what NATO says was the first such intervention during the war in Ukraine.
Mars rover uncovers strongest hints yet of potential signs of ancient life
NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life.
Elon Musk is no longer the world's richest person, new ranking says
Oracle co-founder Larry Ellison took the title of world's richest person from Elon Musk after stock in the software giant shot up on Wednesday.
New details emerge about turbulence that injured 18 on Delta flight
Passengers endured 2.5 minutes of turbulence that caught the pilots by surprise even though they had already altered their route to avoid the storms, the NTSB said.