The grand military parade that President Donald Trump had been wanting for years barrelled down Constitution Avenue on Saturday with tanks, troops and a 21-gun salute, playing out against the counterpoint of protests across the country by those who decried the U.

For its 250th birthday, the Army put on the largest show of military might in the capital in more than three decades.

U.S. military vehicles have appeared in the nation's capital ahead of a parade commemorating the Army's 250th anniversary.