New GAO Reports and Correspondences (PDFs) Source: Government Accountability Office 28 September 2009 + Reports 1. Emergency Communications: National Communications System Provides Programs for Priority Calling, but Planning for New Initiatives and Performance Measurement Could Be Strengthened 2. Homeland Security: Actions Needed to Improve Security Practices at National Icons and Parks 3. Medicare Physician Services: Utilization Trends Indicate Sustained Beneficiary Access wi