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Trump's Triumphal Arch Now Cited as National Defense Asset
Confirmed
In Short: President Donald Trump's proposed 250-foot triumphal arch near Arlington Memorial Bridge in Washington, D.C., is now being pitched as a national defense asset by two of his Cabinet members.
In court filings Wednesday, Defense Secretary Pete Hegseth described the arch as a 'generational national defense opportunity,' highlighting its potential to host snipers, coordinate responses to drone attacks, and protect the capital.
The administration is facing a lawsuit from three Vietnam veterans and a preservationist who argue the arch would mar Arlington National Cemetery and nearby memorials and requires explicit congressional approval.
The National Capital Planning Commission (NCPC) will review the plans next Thursday, and if it gives the required approval, construction will begin that day.
Trump has announced that the arch will serve as both a monument and a 'top grade Military Complex,' capable of storing and rapidly deploying drones, snipers, and ammunition.
The National Park Service (NPS) received over 100,000 comments during a June historic-preservation review, with many raising concerns about the arch’s scale, construction, and potential effect on the sightline linking the Lincoln Memorial, Arlington Memorial Bridge, Arlington National Cemetery, and Arlington House.
Virginia Democratic Representative Don Beyer called the plan 'stupid, dangerous, and unworkable,' citing the location's proximity to Ronald Reagan Washington National Airport.
The Federal Aviation Administration (FAA) has cleared the arch, stating it would have 'no substantial adverse effect' on flights, but it would need an 'eternal flame' on top and floodlight projectors to boost visibility.
The project has drawn criticism from preservationists, lawmakers, and veterans, who argue it could disrupt views of the Lincoln Memorial and Arlington National Cemetery.
Trump previously argued that the White House ballroom construction was necessary for national security, tying the project to an underground military complex.
Two of President Trump's Cabinet members are pitching his planned 250-foot triumphal arch in Washington not as a vanity monument, but as a defense asset, the Washington Post reports.
What this adds
The announcement significantly expands the stated purpose of the project, which was previously presented as a monumental gateway and visitor attraction near Arlington National Cemetery.
Background
National security, or national defense, is the security and defence of a sovereign state, including its citizens, economy, and institutions, which is regarded as a duty of government.
What's confirmed
- President Donald Trump said Sunday that his planned triumphal arch near Arlington Memorial Bridge in Washington, D.C., would be converted into a military complex capable of storing and rapidly deploying drones, snipers and ammunition.
- Trump said the monument would allow the deployment of “large numbers of drones, plus Snipers, on both the roof and plaza areas, and additionally have and hold large quantities of sniper ammunition in storage” turning it into a “top grade Military Complex” as well as a national monument.
- "At the strong request of the United States Military, and for National Security purposes, I have agreed to convert the magnificent Triumphal Arch … into a top grade Military Complex/Triumphal Arch," Trump wrote on Truth Social.
What's still developing
- The National Park Service (NPS) has issued a finding that the previously described project would have no significant environmental impact but said the finding did not amount to a final decision or approval.
- The announcement significantly expands the stated purpose of a project previously presented as a monumental gateway and visitor attraction near Arlington National Cemetery.
- In October 2025, The Washington Post reported Trump wanted to construct a new triumphal arch, comparable with the Arc de Triomphe in Paris, to celebrate the 250th anniversary of American independence.
- Don Beyer (D-VA), said, “It goes beyond that to say that you also can’t do it on other places that are federally owned, specifically national parks.” More than 20 House Democrats signed on to the bill.
- The move, which Trump said came at the military’s request, echoed the national security rationale he has used to defend the roughly $400 million ballroom complex being built on the site of the White House’s former East Wing.
- US District Judge Tanya Chutkan earlier this month ordered the Trump administration to give 48 hours’ notice before engaging in any activity on the site of the arch, which Trump proposed to mark the nation’s 250th anniversary.
- The arch has passed initial safety reviews, most recently being cleared by the Federal Aviation Administration last week following concerns that its 250-foot height would pose a threat to aircraft landing at the nearby Ronald Reagan Airport.
- Trump has said he wants it to be the world's largest triumphal arch.
- Beyer, who has introduced legislation to block the arch, said on social media that flying drones so close to the airport would be "dangerous and impractical" and argued the national-security framing was a legal maneuver, per Reuters.
- The president cited national security considerations for the move without referencing explicit threats.
- According to the Federal Aviation Administration, the 250-foot arch would not cause an aviation hazard to aircraft but would be required to have an eternal flame on top clearing a key airspace authorization for the monument which Trump proposed to mark the nation’s 250th anniversary.
- Set to be built alongside the Arlington Memorial Bridge on the south bank of the Potomac River, the neoclassical arch is planned to be 250 feet high (76 metres) – nearly 100 feet (30 metres) higher than the Arc de Triomphe in Paris.