On August 17, Sergeant Craig Clapper, a spokesperson for the National Guard units deployed to the capital, confirmed that soldiers assigned to patrol Washington under Trump’s orders may be armed. This announcement suggests that images of troops carrying firearms, wearing body armor, and driving Humvees are likely to become more common on city streets in the coming days. The move also signals a potential deeper involvement of the military in domestic law enforcement, a role historically restricted.
Trump’s decision on August 11 to send 800 National Guard troops to Washington is seen as his boldest step yet in expanding the military’s domestic authority. The deployment reflects a broader pattern: Trump has increasingly relied on military personnel to address domestic security, including using military bases to detain undocumented immigrants and sending troops to Los Angeles and the southern border.
“This may be interpreted as an effort by Trump to score political points by taking credit for crime rates that are already historically low in the capital,” said Carrie Lee, a senior fellow at the German Marshall Fund and former professor at the U.S. Military Academy. “It could also serve as a pilot for deploying military forces in other U.S. cities under legally ambiguous conditions.”
On the same day Trump announced the deployment to Washington, a federal court in San Francisco opened hearings on a lawsuit filed by California Governor Gavin Newsom challenging the White House’s direct control over state National Guard units. The case could mark the beginning of a broader legal battle over the use of military forces on U.S. streets during declared emergencies.
Trump has long sought to expand the military’s role in domestic matters rather than relying solely on civilian law enforcement. John Kelly, White House Chief of Staff during Trump’s first term, reportedly told colleagues that one of his biggest challenges was convincing the president not to deploy troops domestically. According to a source familiar with the matter, Trump appeared not to fully understand that domestic military deployment is meant for extremely rare situations.
A senior administration official noted that since returning to the White House earlier this year, Trump has taken an increasing interest in homeless encampments as his motorcade passed through cities en route to golf courses or the Kennedy Center. “He is spending more time in the capital and paying closer attention to local news,” the official said.
During the transition period, Trump repeatedly raised concerns about crime in conversations with Washington Mayor Muriel Bowser and closely monitored incidents over the July 4 holiday. Senior aides, including Deputy Chief of Staff Stephen Miller, were often involved in these discussions.
For nearly 150 years, the Posse Comitatus Act has strictly limited the military’s domestic law enforcement role, prohibiting troops from policing civilians except in specific, legally defined circumstances. Yet, Trump has signaled a willingness to flexibly deploy the National Guard and other military units within U.S. borders.
In June, Trump sent U.S. Marines and California National Guard troops to Los Angeles to control protests against immigration enforcement. Initially assigned to protect federal buildings, their role quickly expanded to escorting Immigration and Customs Enforcement officers during arrests of undocumented immigrants. The deployment, originally scheduled for 60 days, has been extended through early November, with several hundred of the nearly 5,000 National Guard members remaining in the city.
Similarly, Trump has deployed troops to the U.S.-Mexico border, detaining migrants at newly established “National Defense Areas” and transporting them via military aircraft. Last month, Secretary of Defense Pete Hegseth announced that military bases in New Jersey and Indiana would be used to detain undocumented migrants under the oversight of the Department of Homeland Security.
Trump defended the Washington deployment by claiming the city was “overrun by violent gangs and bloodthirsty criminals” and framed the move as necessary to maintain law and order, a message appealing to his MAGA base. However, local officials point out that violent crime in Washington fell to a 30-year low last year. Trump has largely ignored these statistics, insisting the city needs to be “liberated.”
Experts caution that domestic military missions are complex and fraught with legal and operational challenges. Peter Feaver, a political science professor at Duke University, noted, “If their duties resemble traditional policing, it could create numerous issues for the military, both legally and operationally.”
Historically, U.S. presidents have deployed the National Guard to manage large-scale civil unrest, such as after Martin Luther King Jr.’s assassination in 1968. At that time, President Lyndon Johnson used the 1807 Insurrection Act to send 1,750 National Guard members and over 11,000 active-duty soldiers to assist local police.
Washington’s city charter gives the president more direct authority over the National Guard than other states, allowing Trump to control the capital’s forces without federalization. “Washington has long been a political and legal exception,” said Stephen Vladeck, a law professor at Georgetown University, noting that residents may see military presence in the city become more routine during Trump’s tenure.