U.S. President Barack Obama and Vice President Joseph Biden speak to troops during a visit to Fort Campbell, KY

Biden praises their work and the sacrifice they and their families make and recognizes the 101st Airborne Air Assault crews and the Navy SEAL team that carried out the successful assault on Osama bin Laden’s compound in Pakistan on May 1, 2011. Brig. Gen. Jeffrey N. Colt, Deputy Commanding General, 101st Airborne Division introduces President Obama. Obama also pays tribute to the victims of the attacks on 9/11/2001, and reflects on progress made in Afghanistan.