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

The final sections of marching troops at the Army's 250th anniversary parade represented the Army’s future, and included small drones flying over the heads of soldiers and robot dogs in camouflage paint.

The parade in Washington, D.C., celebrating the 250th anniversary of the U.S. Army ended with a fireworks show. Meanwhile, protesters clashed with police in Los Angeles. Follow along for live updates,