Visitors watch a parade and celebration marking the 250th birthday of the U.S. Army June 14, 2025 in Washington, DC. The U.S. Army is marking its 250th birthday with a military parade including roughly 6,600 troops, 150 vehicles, and over 50 aircraft. The parade, which coincides with President Donald Trump's 79th birthday, is designed to tell the history of the Army. (Photo by Andrew Harnik/Getty Images)
