The parade, honoring the Army’s long-planned 250th anniversary celebration and coinciding with Trump’s 79th birthday, is set to step off from the Lincoln Memorial under the threat of stormy weather in Washington and protests around the country tied to a turbulent week of immigration enforcement that has involved military deployment in Los Angeles.

President Trump is hosting a parade celebrating the 250th anniversary of the U.S. Army today, bringing tanks and soldiers to the streets of Washington, D.C., for the capital's first major military parade in more than three decades.

President Donald Trump's parade for the Army's 250th anniversary to showcase military history with tanks and aircraft flyovers, amid expected protests and stormy weather.

The parade is expected to include about 6,600 soldiers, 50 helicopters and 60-ton M1 Abrams battle tanks, as well as possibly 200,000 attendees and heightened security to match.

Follow live updates as the military parade in Washington, D.C., kicks off on Trump's birthday. 'No Kings' protests by opponents are planned across the country today.

The Army expects as many as 200,000 people to attend the parade that honors the U.S. Army’s formation and coincides with Donald Trump’s birthday.

On the first weekend: a vision of the nation built upon inclusivity and the tenets of liberalism — a conception of country that incorporates generations of fights for equity, for compassion, for expanding what it means to be an American.

Nearly 2 in 3 U.S. adults — 64% — oppose the use of government funds for this weekend's military parade in Washington, D.C., celebrating the Army's 250th birthday, according to new data from the NBC News Decision Desk Poll,