To critics, President Trump’s threat to deploy the military to fight crime and unrest in America’s cities is a nightmare scenario, a pretext for martial law and a potential assault on democracy.

But starting next month, dozens of National Guard troops will be on the streets of a deeply Democratic city, Albuquerque, in a deeply Democratic state, New Mexico. And they are being deployed by the state’s governor, Michelle Lujan Grisham, a Democrat. She said they are needed to help the strained police force confront a crisis of violent crime and fentanyl use.

“The situation in Albuquerque has reached an unacceptable crisis point,” she said. “We simply cannot wait for traditional solutions to take effect.”

Few residents of Albuquerque would deny the scourge of violence in a neighborhood bisected by Route 66 and home to dense blocks of auto shops, immigrant-run businesses and working-class families. Officially, it is the International District. But many call it the War Zone.

The governor’s move to deploy Guard troops more commonly seen at wildfires, hurricanes and tornadoes has divided locals, reflecting the broader civil war within the Democratic Party over crime and disorder. It is already emerging as an issue among the Democrats who seek to succeed her in the governor’s office in Santa Fe.

Some praised the Guard’s arrival, saying extra resources could help to restore order before the 100-year anniversary of Route 66 brings thousands of tourists to Albuquerque next year. Critics called it an invasion of a neglected neighborhood that desperately needs better housing and services.