Day in the Life Infantryman US Armybr the Infantry Corps and on this episode of a Day in the Life, we look at U.S. Army Infantrymen stationed at Fort Campbell, Kentucky and how they train to defend America.br br : Staff Sgt. Josh Joyner, 101st Airborne Divisionbr br About the U.S. Army:br The Army Mission – our purpose – remains constant: To deploy, fight and win our nation’s wars by providing ready, prompt & sustained land dominance by Army forces across the full spectrum of conflict as part of the joint force.