Doc will be marching alongside 6,700 soldiers, 28 M1 Abrams, 28 Stryker vehicles, a World War II-era B-25 bomber, 34 horses, six Paladin self-propelled howitzers and two mules, per The New York Times.

Meet Doc Holiday, a 2-year-old Blue Heeler who serves as the unofficial mascot for the U.S. Army’s Horse Cavalry Detachment at Fort Cavazos, Texas.