1. FirstNet: efforts to establish the public-safety broadband network : testimony before the Subcommittee on Emergency Preparedness, Response, and Communications, Committee on Homeland Security, House of Representatives Publication: Washington, D.C. : U.S. Government Accountability Office, October 12, 2017 Subject(s): CommunicationEmergenciesRadioContract Services -- economicsEmergency RespondersSafetyHumansUnited StatesUnited States. Department of Homeland Security.United States. Federal Communications Commission.