WATCH LIVE: Trump's military parade honoring Army's 250th birthday rolls through Washington, D.C.

President Donald Trump’s military parade to mark the U.S. Army’s 250th birthday on Saturday will bring thousands of soldiers and dozens of massive military vehicles and aircraft to the National Mall. Military parades of this scale are uncommon in the U.S. The last was in 1991, to mark the end of the first Gulf War. Trump has heralded the celebration as a chance to celebrate the country and the "service and sacrifice" of soldiers. The president has also gotten political blowback over the parade, which will shut down roads and bridges around the city for days. Democrats have criticized the cost — up to $45 million — and accused Trump of making the day about himself. Veterans are divided over the event and a majority of Americans don't feel like it's a good use of money, according to an AP-NORC poll. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews X: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour