The National Guard is a state-based military force whose troops wear uniforms and rank, operate military vehicles and weapons, and have often been called upon to serve alongside regular active-duty un...

The Trump administration is clashing with leaders in Illinois and Oregon over his deployment of the National Guard to Chicago and Portland.

A judge in California has ruled that the deployment of 4,000 National Guard members — along with 700 Marines — in Los Angeles earlier this year violated federal law.