JOINT BASE ANDREWS, Md. - Capt. Katherine Tille and Maj. Ami Parker, doctors with the 779th Medical Group, review a pediatric supply checklist while Lt. Col. Christine Grundel, a nurse with the 779th Surgical Operations Squadron, calls off different supplies at the Joint Service Open House here May 14. The medical group offers medical coverage for the entire event, with a temporary staging facility as well as roaming medics. (U.S. Air Force photo by Staff Sgt. Renae L. Saylock)