Testimony issued by the Government Accountability Office with an abstract that begins "Voluntary organizations have traditionally played a major role in the nation's response to disasters, but the response to Hurricane Katrina raised concerns about their ability to handle large-scale disasters. This testimony examines (1) the roles of five voluntary organizations in providing mass care and other services, (2) the steps they have taken to improve service delivery, (3) their current capabilities for responding to mass care needs, and (4) the challenges they face in preparing for large-scale disasters. This testimony is based on GAO's previous report (GAO-08-823) that reviewed the American Red Cross, The Salvation Army, the Southern Baptist Co...