President Donald Trump says the massive arch he wants to build between the Lincoln Memorial and Arlington National Cemetery would become a “top grade military complex” able to host drones and snipers while storing ammunition.

The U.S. military’s price tag for the Iran war has grown to $43.6 billion as of Sept. 3.

A U.S. government watchdog has released its first report on the impact of the Iran war.

Several dozen presidential briefing documents have been declassified on the 25th anniversary of the Sept. 11 attacks.

Americans are commemorating the 25th anniversary of 9/11, remembering the shock, the dead and the sweeping consequences of the al-Qaida attacks on symbols of U.S. might and prosperity.

The U.S. is commemorating the 25th anniversary of the 9/11 attacks that left nearly 3,000 people dead and the nation shaken.

President Donald Trump has observed the 25th anniversary of the Sept. 11 attacks by attending a ceremony at the Pentagon.

Dan Driscoll said his last full day as Army secretary was Wednesday.

Oil giant Chevron is expanding its operations in Venezuela as some details emerge about President Donald Trump's separate deal for a U.S.-controlled joint venture to develop more of the nation's proven reserves.

Oil giant Chevron is expected to soon announce it will expand operations in Venezuela, a U.S. official said.

A federal judge has ruled in favor of artificial intelligence company Anthropic in its legal battle against the Pentagon.

U.S. forces have struck another vessel in the eastern Pacific, killing two people accused of trafficking drugs.

Chinese humanoid robots have set records including beating Usain Bolt's 100-meter sprint record at the World Humanoid Robot Games in Beijing.

A new Pentagon report says that more U.S. troops are reporting unwanted sexual contact to authorities.

Pentagon data shows more than 750 U.S. troops have been wounded during operations against Iran.

Democratic Sen. Elissa Slotkin has asked Defense Secretary Pete Hegseth to confirm that he won’t send troops to polling places during the midterm elections.

The Department of Defense is introducing a course centered on Western civilization and Christianity this fall in the schools it operates for military families.

The Department of Defense is introducing a course centered on Western civilization and Christianity this fall in the schools it operates for military families.

Navajo Code Talkers are being honored in a longstanding national day of recognition.

President Donald Trump is ordering the U.S. Navy to remove the advanced system used to launch fighter jets from its newest type of aircraft carriers and return to using older steam catapults that he has long said he prefers.

A Pentagon review has found that U.S. airstrikes targeting Iranian-backed Houthi rebels in Yemen last year killed more than 150 civilians.

Congressional Democrats say they are investigating the Trump administration’s efforts to deport military service members and their families.

One of Scouting America’s biggest gatherings has eliminated dedicated spaces for gay youth, women and scouts of color as the organization faces pressure from the Pentagon to pull back diversity efforts.

The Pentagon says a new, separate category was created in its official casualty system to account for those killed and wounded in the renewed U.S.-Iran fighting because “Operation Epic Fury” has ended.

A Washington think tank says recent fighting with Iran has used up more of the U.S. military’s stockpiles of advanced air defense systems.

The four American troops killed during renewed fighting between the U.S. and Iran in recent weeks are no longer listed as part of the Iran war death toll in the Pentagon’s official casualty count.

The U.S. Navy is backing away from statements that it would begin to restrict press and public access to sailors’ service histories.

Defense Secretary Pete Hegseth says he's rolling out a new screening program for “testosterone deficiency” among troops.

Eight South Carolina National Guard helicopter pilots have returned to flying duties after a suspension that followed a low flight over the state's beaches during a July 4 event.

The White House has formally requested $87.6 billion, mostly to replenish the Pentagon after the U.S. war against Iran, submitting the request to Congress at a politically difficult time, as a majority of lawmakers have objected to any further military action.

NATO Secretary-General Mark Rutte has met with President Donald Trump, advocating for the military alliance that the U.S. leader has sharply criticized.

The Army’s commander of its forces in Europe and Africa is unexpectedly stepping down after just 18 months in the job.

Senators are seeking to block Defense Secretary Pete Hegseth’s travel funds until the Pentagon submits its investigation into a strike on an elementary school in Iran that killed more than 165 people.

China says it firmly opposes the U.S. adding several prominent Chinese businesses to its list of military-linked companies.

The Pentagon’s recent revision to its list of Christian religions has reignited a long-standing debate about whether The Church of Jesus Christ of Latter-day Saints is a Christian denomination.

The U.S. military is waiting for clarity from the Pentagon following President Donald Trump’s back-and-forth on troop levels in Europe.

The Defense Department has declared its press office a classified space, barring journalists from entry.

A divided panel of appeals court judges has ruled that a Trump administration policy illegally banned transgender troops from military service.

The Trump administration is pushing to use artificial intelligence in the U.S. military even as it faces calls for caution from some companies and military leaders.

Israeli troops have entered a southern Lebanese village, pushing deeper into the country amid ongoing conflict.

The U.S. military has struck another vessel suspected of transporting drugs in the eastern Pacific Ocean, killing two men.

The U.S. military has launched another strike on a vessel suspected of transporting drugs in the eastern Pacific Ocean, killing one man and leaving two survivors.

President Donald Trump has stirred confusion by saying the U.S. will send an additional 5,000 American troops to Poland.

Secretary of State Marco Rubio will travel this week to a NATO foreign ministers meeting in Sweden, where U.S. plans to reduce troop levels in Europe coupled with President Donald Trump’s often inconsistent stance on the alliance have created concern.

The U.S. says it's pausing participation on a joint board with Canada for continental defense that dates to World War II.

The U.S. military’s latest strike on an alleged drug-trafficking boat in the eastern Pacific Ocean has killed two men while leaving one survivor.

The Pentagon has begun releasing files on UFOs, tapping into public curiosity about unidentified phenomena.

European leaders say President Donald Trump's decision to withdraw U.S. troops from Germany is just the latest signal that Europe must take more responsibility for its security.

President Donald Trump is promising to release new UFO records that he says will be “very interesting.”.

President Donald Trump said the U.S. is going to significantly reduce its troop presence in Germany, escalating a dispute with Germany’s leader Friedrich Merz as he seeks to scale back America’s commitment to European security.

Defense Secretary Pete Hegseth faces a second day of grilling from Democrats on Capitol Hill, with senators getting their first opportunity to confront or praise the Pentagon chief over his handling of the Iran war.

Defense Secretary Pete Hegseth has appeared before Congress at a pair of hearings this week for the first time since the Trump administration started the Iran war.

An appeals court has ruled that the Defense Department can require journalists to be escorted on Pentagon grounds while the Trump administration appeals a judge’s decision to block its enforcement of a press access policy challenged by The New York Times.

The latest U.S. military strike on a boat accused of ferrying drugs in the eastern Pacific Ocean killed three people Sunday.

The U.S. military says it launched another strike on a boat accused of ferrying drugs in the eastern Pacific Ocean, killing two people Friday.

Spanish Prime Minister Pedro Sánchez is declining to engage in a dispute with the U.S. over reports that the Pentagon is considering punishing NATO members who don't support U.S. operations in the Iran war.

U.S. President Donald Trump said the United States was indefinitely extending its ceasefire with Iran as a new round of peace talks was on hold.

Defense Secretary Pete Hegseth says the U.S. military will no longer mandate the flu vaccine for American troops.

U.S. military officials are calling for spending tens of billions of dollars in the next budget year on drones, air defense systems and fighter jets that have been a key part of fighting the Iran war.

U.S. forces have boarded an oil tanker previously sanctioned for smuggling Iranian crude oil in Asia.

White House chief of staff Susie Wiles has met with Anthropic CEO Dario Amodei to discuss the company's new AI model, Mythos.

The U.S. military has widened its efforts beyond the blockade of Iran’s ports.

U.S. military forces have struck a vessel in the Eastern Pacific, killing three men the Pentagon says were trafficking drugs.

A federal judge has ruled that the Defense Department is violating his earlier order to restore access to the Pentagon for reporters.

A federal appeals court on Wednesday refused to block the Pentagon from blacklisting artificial intelligence laboratory Anthropic in a decision that differed from the conclusions reached in another judge’s ruling on the same issues.

Defense Secretary Pete Hegseth says he will allow service members to carry personal weapons onto military installations.

Defense Secretary Pete Hegseth has asked the Army’s top uniformed officer to step down as the United States wages a war against Iran.

The Trump administration is appealing a judge’s order blocking the federal government from taking punitive measures against artificial intelligence company Anthropic after a dispute with the Pentagon over military use of AI.

A federal judge has ruled in favor of artificial intelligence company Anthropic in temporarily blocking the Pentagon from labeling the company as a supply chain risk.

President Donald Trump took the United States to war without a vote of support from Congress.

A federal judge has blocked the Trump administration from enforcing a policy limiting news reporters’ access to the Pentagon, ruling that key portions of the new rules are unlawful.

Defense Secretary Pete Hegseth brings Christian language into the Pentagon as the U.S. and Israel wage war against Iran.

The U.S. Department of War has identified the six Air Force airmen who were killed when a KC-135 refueling aircraft crashed in western Iraq earlier this week.

Outdated intelligence has likely led to the United States carrying out a deadly missile strike on an elementary school in Iran that killed over 165 people, many of them children, in the opening hours of the conflict, according to a U.S. official and a second person briefed on findings of a preliminary U.

Microsoft and a group of retired military leaders are backing Anthropic in court to block the Trump administration from labeling the AI company a supply chain risk.

Anthropic is suing the Trump administration, asking federal courts to reverse the Pentagon’s decision designating the artificial intelligence company a “supply chain risk” over its refusal to allow unrestricted military use of its technology.

The U.S. and Israeli strikes on Iran have raised concerns among Democrats and others about diminishing American stockpiles of certain weapons.

A top Pentagon official says a fight with Anthropic centered on how the military could someday use artificial intelligence in autonomous weapons.

Defense Secretary Pete Hegseth has drawn negative attention for his comment that the press has emphasized casualties in the Iran war because it wants to make President Donald Trump look bad.

The Trump administration is following through with its threat to designate artificial intelligence company Anthropic as a supply chain risk in an unprecedented move that could force other government contractors to stop using the AI chatbot Claude.

An operations center targeted by an Iranian drone strike that killed six American soldiers was located in a civilian port in Kuwait, more than 10 miles away from the main Army base.

Anthropic’s moral stand on U.S. military use of artificial intelligence is reshaping the competition between leading AI companies but also exposing a growing awareness that maybe chatbots just aren’t capable enough for acts of war.

A high-stakes dispute over how the U.S. military uses artificial intelligence has led the Pentagon to cancel its contract with rising AI star Anthropic.

The Pentagon will forbid members of the military from attending Columbia, Yale, Brown and other universities starting next school year amid a campaign to cut ties with institutions that Defense Secretary Pete Hegseth called “factories of anti-American resentment.”.

President Donald Trump has ordered all U.S. agencies to stop using Anthropic technology after the company’s unusually public dispute with the Pentagon over artificial intelligence safety.

Anthropic CEO Dario Amodei says the artificial intelligence company “cannot in good conscience accede” to the Pentagon’s demands to allow wider use of its technology.

Defense Secretary Pete Hegseth is pressuring Anthropic to give the military broader access to its artificial intelligence technology or lose its Pentagon contract.

A federal judge has blocked the Pentagon from punishing Democratic Sen. Mark Kelly, a former U.S. Navy pilot, for participating in a video that called on troops to resist unlawful orders.

Pentagon-FAA dispute over military test of laser to thwart cartel drones led to El Paso airspace closure, AP sources say.

The Pentagon allowed U.S. Customs and Border Protection to use an anti-drone laser earlier this week, leading the Federal Aviation Administration to suddenly close the airspace over El Paso, Texas.

The U.S. military says it has boarded a sanctioned oil tanker in the Indian Ocean.

The Pentagon says it will cut ties with Harvard University, ending military training, fellowships and certificate programs.

Sen_ Elissa Slotkin of Michigan says she won't sit for an interview with the Justice Department regarding a probe into a video she organized urging U_S_ military members to resist “illegal orders.”.

A federal judge says he knows of no U.S. Supreme Court precedent to justify the Pentagon’s censuring of a sitting U.S. senator who joined a videotaped plea for troops to resist unlawful orders from the Trump administration.

The U.S. is taking a minority stake in an Oklahoma rare earth miner, the latest government investment in the sector as it seeks to minimize its reliance on imports of a material used prevalently in smartphones, robotics, electric vehicles and many other high tech products.

The Defense Department says it is revamping the military newspaper Stars and Stripes to focus on “reporting for our warfighters” and eliminate woke distractions.

A bipartisan group of lawmakers has proposed creating a new agency with $2.5 billion to boost production of rare earths and the other critical minerals.

A federal officer has shot a man in the leg in Minneapolis after being attacked with a shovel during an arrest Wednesday.

Democratic lawmakers who appeared in a video urging members of the military to resist “illegal orders” have confirmed that they're under investigation from the Trump administration.

Defense Secretary Pete Hegseth says Elon Musk’s artificial intelligence chatbot Grok will join Google’s AI engine inside the Pentagon network.