Thousands of Americans flocked to downtown D.C. in "Make America Great Again" hats and patriotic gear displaying Old Glory despite the balmy weather and thunderstorms brewing.

WSJ's senior political correspondent Molly Ball reports from the parade route, where vintage tanks and other military hardware are rolling down Constitution Avenue in Washington.

In Washington, D.C., scores of people have shifted from the Army festival to the parade route, walking west toward the Washington Monument. The protests have—for now—mostly died down. It’s a hot, steamy Washington evening,