Teddy Roosevelts militia group was called what?

Teddy Roosevelt's militia group was called the Rough Riders. This volunteer cavalry regiment played a significant role during the Spanish-American War in 1898, particularly noted for their charge up San Juan Hill in Cuba. The Rough Riders were composed of a diverse group of men, including cowboys, miners, and college athletes, and they became a symbol of American bravery and spirit during the conflict.