AL ADAD AIRBASE, Iraq -- During their off-duty time, Sgt. Aaron Dunn, a material handler equipment operator for the Joint Distribution Center, from Terre Haute, and Sgt. John Burk, the non-commissioned officer in charge of Iwo Jima Gym and the Iwo Jima Morale Welfare and Recreation Center, from Brazil, work on repairing bicycles that were left behind by previous units. These soldiers, members of the 138th Quartermaster Support Company, 751st Combat Sustainment Support Battalion, 96th Sustainment Brigade, mix and match parts with the goal of having two working bicycles in the end. They are adding bicycling to their physical fitness regimen as well as using the bikes for transportation around Al Asad Airbase.