training at camp mccoy lasted six months until on 6 january 1943 the 100th battalion was transferred to camp shelby, mississippi. the 100th was attached to the 85th division under major general wade haislip and would receive even tougher training than they did at camp mccoy. upon arrival at camp shelby the 100th received the same amount of skepticism as they did at mccoy. the 100th successfully passed the training exercises. at camp shelby where 100th received its most intense and advanced training and then was sent to camp clairborne, louisiana for field exercises and war games.