President Donald Trump's declaration of a crime emergency in Washington, D.C., has again placed military soldiers on the streets of an American city.

Republican governors are sending hundreds of National Guard troops to aid in Trump's takeover of policing in D.C.

ABC News’ Martha Raddatz interviews Sen. Chris Van Hollen on “This Week" over President Trump deploying the National Guard to Washington, D.C.

In New Mexico’s most populous city, National Guard troops are listening to the police dispatch calls, monitoring traffic cameras and helping to secure crime scene perimeters, tasks not usually part of the job.

DeWine said the troops are expected to arrive in D.C. in the coming days and emphasized that none of them currently serve as active law enforcement officers in Ohio.

National Guard troops called on to active-duty by President Donald Trump arrived on the footsteps of the Washington Monument on Tuesday.

The Republican governors of West Virginia, South Carolina and Ohio announced Saturday they will send National Guard troops to Washington, DC, in an escalation of President Donald Trump’s efforts to federally take over law enforcement in the city.

The Justice Department reached an agreement with DC authorities over control of the capital's police after Trump placed it under federal government control.