Five-year-old Kaliana, daughter of Master Sgt. Joe and Jenna Herrera, smiles for the camera while in the hospital. Kaliana has spina bifida, a defect that involves the incomplete development of the spinal cord. Kaliana has endured five surgeries thus far with Herrera having left Afghanistan two times on emergency leave to support his family. Herrera is a helicopter crew chief with the 440th Air Expeditionary Advisory Squadron. (Air Force courtesy photo provided by Master Sgt. Joe Herrera)