 He was joined by a 60-man company called the Yellow Jackets from Corydon, Indiana, named for their bright yellow coats, as well as the Indiana Rangers.The force of about 1,000 men set out north towards Prophetstown, consisting of about 250 army regulars from the 4th US Infantry Regiment, 100 Kentucky volunteers, and nearly 600 Indiana militia, including two companies of the Indiana Rangers.They reached Terre Haute, Indiana on October 3, where they camped and built Fort Harrison while waiting for supplies to be delivered.