Defense Secretary Pete Hegseth is defending himself against a second assertion that he shared classified material through an unapproved and unsecured network.

While in India on Tuesday, U.S. Vice President JD Vance called for enhanced engagement with the South Asian country.

Members of President Donald Trump’s administration are increasingly feuding as they face escalating controversies.

The White House has expressed support for Defense Secretary Pete Hegseth following media reports that he shared sensitive military details in another Signal messaging chat that included his wife and brother.

Harvard University announced Monday that it was suing to halt a federal freeze on more than $2.2 billion in grants after the institution said it would defy the Trump administration’s demands to limit activism on campus.

Thousands of allied American and Filipino forces have opened annual combat drills that will include simulating the defense of the Philippine archipelago and seas in a battle scenario that has antagonized China.

Defense Secretary Pete Hegseth created another Signal messaging chat that included his wife and brother where he shared similar details of a March military airstrike against Yemen’s Houthi militants that were sent in another chain with top Trump administration leaders.

Three former senior advisers to Defense Secretary Pete Hegseth are decrying what they called “baseless attacks” after each was escorted from the Pentagon in an expanding probe on information leaks.

Republican and Democratic lawmakers are making their first trip to Taiwan under the new Trump administration a bipartisan one.

Dakota Meyer, a Marine who was awarded the Medal of Honor for heroism in the Afghanistan War, is reenlisting in the the military and will serve in the Marine Reserves.

Former Pentagon spokesman John Ullyot has been asked to resign following a contentious start for Defense Secretary Pete Hegseth's communications office.

The American Civil Liberties Union is suing the Department of Defense’s school system over banned race- and gender-related educational materials.

The Army has restored the name Fort Benning to its storied training post in Georgia, only this time to honor an 18-year-old corporal who fought in World War I rather than a Confederate general.

Army and Air Force libraries have been told to go through their stacks to find books related to diversity, equity and inclusion.

Defense officials say Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative leave and was escorted out of the Pentagon by security.

A female Army Ranger for the first time competed in the annual Best Ranger Competition, and her two-soldier team finished the grueling three-day event over the weekend and came in 14th overall.

The Senate has produced the quickest top-level Cabinet confirmation process in the last 20 years under new Majority Leader John Thune of South Dakota.

European countries are vowing to sends billions of dollars in further funding to help Ukraine keep fighting Russia’s invasion.

President Donald Trump has prioritized loyalty in building his second-term team.

Britain’s defense minister is pressing his counterparts from around 30 countries to forge ahead with plans to deploy troops to Ukraine to police any future peace agreement with Russia.

U.S. Space Command says it's finalized options for President Donald Trump’s “Golden Dome” missile defense system and has sent its recommendations to Defense Secretary Pete Hegseth for his review and approval.

Suspected U.S. airstrikes have pounded the area around Yemen’s Red Sea port city of Hodeida, killing at least 10 people and wounding 16 others.

Suspected U.S. airstrikes have pounded the area around Yemen’s Red Sea port city of Hodeida, killing at least eight people and wounding 16 others.

U.S. Secretary of Defense Pete Hegseth says the Panama Canal faces ongoing threats from China, but together the U.S. and Panama will keep it secure.

Panama’s comptroller authority says an audit found irregularities in the renewal of a 25-year port concession in the interoceanic canal and it would request an investigation into the authorization of the contract to a Hong Kong company.

U.S. officials say Navy Vice Adm. Shoshana Chatfield, the only woman on NATO’s military committee, was fired over the weekend by the Trump administration.

Books on the Holocaust, histories of feminism, civil rights and racism, and Maya Angelou’s famous autobiography, “I Know Why the Caged Bird Sings,” were among the nearly 400 volumes removed from the U.S. Naval Academy’s library this week.

Defense Secretary Pete Hegseth will travel to Panama next week to meet its leaders following recent U.S. allegations of Chinese interference in the operations of the critical Panama Canal shipping lane.

U.S. officials and members of Congress say President Donald Trump has abruptly fired the director of the National Security Agency.

The Pentagon’s acting inspector general has announced that he will review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike against Houthi militants in Yemen.

The chairman of the Senate Armed Services Committee criticized Pentagon “mid-level” leadership for what he says is a misguided plan to reduce the number of U.S. troops based in Europe.

U.S. Secretary of State Marco Rubio and the Trump administration’s new envoy to NATO are seeking to reassure wary NATO members of the U.S. commitment to the alliance.

Secretary of State Marco Rubio is traveling this week to a gathering of top diplomats from NATO countries.

U.S. officials say the U.S. Naval Academy has removed nearly 400 books from its library after being told by Defense Secretary Pete Hegseth’s office to review and get rid of books that promote diversity, equity and inclusion.

There is no answer yet on the lawsuit filed by Institute of Peace board members who were fired amid a remaking of the independent think tank.

President Donald Trump’s nominee to become the next chairman of the Joint Chiefs of Staff acknowledges he's an unconventional nominee.

The Defense Department is going to offer a new round of voluntary resignations and retirements to the civilian workforce, but details are slim.

Defense Secretary Pete Hegseth has ordered the military to make fitness standards for all combat jobs gender neutral, formalizing a process that largely exists for many of those jobs already.

President Donald Trump is making his clearest commitment to not fire anyone over an embarrassing accidental leak of his administration’s plans for an airstrike against the Houthis in Yemen.

Defense Secretary Pete Hegseth’s decision to review military standards on combat and physical fitness and appearance opens a Pandora’s box of the widely different rules among the services.

Civil rights advocates, historians and Black political leaders are sharply rebuking President Donald Trump for his order targeting the Smithsonian Institution.

Defense Secretary Pete Hegseth’s office confirms that his younger brother is serving in a key position inside the Pentagon as a Department of Homeland Security liaison and senior adviser.

The United States, Japan and the Philippines have staged joint naval drills to boost crisis readiness off a disputed South China Sea shoal as a Chinese military ship kept watch from a distance.

U.S. Defense Secretary Pete Hegseth says the Trump administration will work with allies to ramp up deterrence against threats across the world, including China’s aggression in the South China Sea.

A U.S. judge in Washington state has blocked enforcement of President Donald Trump’s order banning transgender people from serving in the military.

The Trump administration's use of a popular app to discuss sensitive military plans — with a journalist on the text chain — is raising questions about security and the importance of safeguarding the nation's secrets.

A federal judge says he will order the Trump administration to preserve records of a text message chat in which senior national security officials discussed sensitive details of plans for a U.S. military strike against Yemen’s Houthis.

The top Republican and Democrat on the Senate Armed Services Committee are requesting an investigation into how Trump national security officials used the Signal app to discuss military strikes.

The White House has withdrawn Rep. Elise Stefanik’s nomination to be U.S. ambassador to the United Nations.

Trump administration officials are struggling to stem the fallout from revelations that top national security officials discussed sensitive attack plans over a messaging app and mistakenly added a journalist to the chain.

The Atlantic has released the Signal chat among Trump senior national security officials.

Constitutional challenges are expected for President Donald Trump's order to overhaul U.S. elections.

President Donald Trump says he is placing 25% tariffs on auto imports.

Top intelligence officials have faced another round of tough questions about leaked military plans as they appeared before lawmakers on Capitol Hill.

The revelation that President Donald Trump’s most senior national security officials posted the specifics of a military attack to a chat group that included a journalist hours before the attack took place has raised many questions.

Allies of the United States see a group chat about attack plans by top U.S. officials that accidentally included a journalist as a jaw-dropping security breach.

President Donald Trump is downplaying the texting of attack plans to a group chat that included a journalist as “the only glitch in two months” of his administration.

The Trump administration’s top intelligence officials have stressed to Congress the threat they say is posed by international criminal gangs, drug cartels and human smuggling.

President Donald Trump is downplaying the texting of attack plans to a group chat that included a journalist as “the only glitch in two months” of his administration.

The Philippine defense chief has called China’s expansive claims in the South China Sea as “the biggest fiction and lie” that no Southeast Asian country will accept.

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The Pentagon has faced questions from lawmakers, local leaders and citizens over the removal of military heroes and historic mentions from Defense Department websites and social media pages.

The Pentagon’s intelligence and law enforcement arms are investigating what it says are leaks of national security information.

A Philippine official says U.S. Defense Secretary Pete Hegseth is scheduled to visit the Philippines, the first stop in his first trip to Asia next week, for talks that will include increasing deterrence against aggression in the disputed South China Sea.

A U.S. official says Defense Secretary Pete Hegseth is beefing up the Navy warship presence in the Middle East, ordering two aircraft carriers to be there next month as the U.S. increases strikes on Yemen-based Houthi rebels.

Boeing will build the Air Force's future fighter jet.

A federal judge says Friday he will “get to the bottom” of whether President Donald Trump’s administration defied his order blocking deportation flights.

President Donald Trump says war plans should not be shared with his adviser Elon Musk because of his business interests.

The Associated Press has learned that military officials are reviewing plans that would cut the number of U.S. troops deployed to the Guantánamo Bay naval base in Cuba to handle detained migrants by as much as half.

The U.S. Institute of Peace and many of its board members are suing the Trump administration, seeking to prevent their removal and stop Elon Musk’s Department of Government Efficiency from taking over and accessing the independent nonprofit's building and systems.

A multi-year cleanup at a former U.S. air base in Vietnam was abruptly halted when the Trump administration cut funding, leaving tons of dioxin-contaminated soil exposed.

A multi-year cleanup at a former U.S. air base in Vietnam was abruptly halted when the Trump administration cut funding, leaving tons of dioxin-contaminated soil exposed.

Questions are mounting in Canada and in Europe over whether big-ticket purchases of high-end U.S. weaponry are still a wise strategic choice.

A federal judge has blocked enforcement of President Donald Trump’s executive order banning transgender people from serving in the U.S. military.

A senior defense official says that roughly 50,000 to 60,000 civilian jobs will be cut in the Defense Department.

President Donald Trump is to hold talks on Tuesday with Russian President Vladimir Putin as he looks to get buy-in on a U.S. ceasefire proposal he hopes can create a pathway to ending Russia’s devastating war on Ukraine.

The Pentagon says internet pages honoring a Black Medal of Honor winner and Japanese American service members were mistakenly taken down.

The Trump administration has fired most of the board of the U.S. Institute of Peace and sent its new leader into the Washington headquarters of the independent organization.

Senate Democrats were grim Friday as they left Washington after a brutal 10-week stretch that consistently showed the limits of their new minority and culminated with a deeply personal rupture over how to best counter President Donald Trump.

Elon Musk met with the leader of the National Security Agency and U.S. Cyber Command this week, suggesting America's spy agencies won't escape the billionaire's efforts to reshape the federal government.

A federal judge says she hopes to rule next week on whether to block President Donald Trump’s administration from banning transgender people from serving in the U.S. military.

Military service leaders are telling senators that passing a temporary budget that keeps defense spending largely flat will hurt readiness and efforts to modernize the force.

Republicans, particularly those in Congress, have been overwhelmingly supportive of broad cuts across the federal government at the hands of Elon Musk’s Department of Government Efficiency.

The cries of a mother watching from Venezuela through a cellphone pierced through the somber Christian music and gusts of wind as her son's casket was lowered into the ground.

A representative of President Donald Trump’s administration has rejected the U.N.’s 2030 Agenda for Sustainable Development.

First it was Fort Bragg, named in honor of a Confederate general.

References to a World War II Medal of Honor recipient, the Enola Gay aircraft that dropped an atomic bomb on Japan and women and minorities are among the tens of thousands of photos and online posts marked for deletion as the Defense Department works to purge diversity, equity and inclusion content.

President Donald Trump is expressing uncertainty that NATO would come to the United States' defense if the country were attacked.

Fort Benning’s name honored a Confederate general who supported slavery for more than a century.

Tech billionaire Elon Musk has refired the political action committee he spent heavily on in supporting Donald Trump’s 2024 campaign, this time with the group’s first television advertisement, one lauding the first six weeks of the administration, where he is working as a close adviser to the president.

Vice President JD Vance has participated in an aerial tour of the U.S.-Mexico border and met with law enforcement officials.

President Donald Trump’s nominee for the top policy job at the Pentagon is acknowledging that Russia invaded Ukraine and poses a significant military threat to the U.S. and Europe.

The U.S. Cyber Command is pausing its offensive operations against Russia.

Defense Secretary Pete Hegseth has, for the second time, reversed the renaming of a U.S. military base, saying that Fort Moore in Georgia should revert back to being called Fort Benning.

The leaders of Britain and France are spearheading a desperate diplomatic drive to shore up Europe’s security, bolster Ukraine’s defenses and ensure the Trump administration doesn’t seek a ceasefire on terms that reward Moscow for invading its neighbor.

Florida Gov. Ron DeSantis was at Homestead Air Reserve Base last week supporting Guantanamo Bay Naval Base as an off-shore detention facility for deportable people.

Civil rights attorneys are suing the Trump administration to prevent it from transferring 10 migrants detained in the U.S. to Guantanamo Bay, Cuba.

The Pentagon is sending about 3,000 more active-duty troops to the U.S.-Mexico border as President Donald Trump seeks to clamp down on illegal immigration and fulfill a central promise of his campaign.

Prime Minister Keir Starmer has landed back in Britain with the satisfaction of a tricky mission not quite accomplished, but off to a flying start.

Five former secretaries of defense are calling on Congress to hold immediate hearings on President Donald Trump’s recent firings of the chairman of the Joint Chiefs of Staff and several other senior military leaders.