Includes bibliographical references and index.

Pilotless drones: background and considerations for Congress regarding unmanned operations in the National Airspace System / Bart Elias -- Drones in domestic surveillance operations: Fourth Amendment implications and legislative responses / Richard M. Thompson II -- Unmanned aircraft systems: measuring progress and addressing potential privacy concerns would facilitate integration into the National Airspace System / United States Government Accountability Office -- Statement of Michael McCaul, Chairman, Subcommittee on Oversight, Investigations and Management. Hearing on "Using unmanned aerial systems within the Homeland: security game changer?" -- Statement of Todd Humphreys, assistant professor, University of Texas at Austin. Hearing on "Using unmanned aerial systems within the Homeland: security game changer?" -- Unmanned aircraft systems: use in the National Airspace System and the role of the Department of Homeland Security. Statement of Gerald L. Dillingham, Director, Physical Infrastructure Issues, Government Accountability Office. Hearing on "Using unmanned aerial systems within the Homeland: security game changer?" -- Statement of William R. McDaniel, Chief Deputy, Montgomery County Sheriff's Office, Conroe, Texas. Hearing on "Using unmanned aerial systems within the Homeland: security game changer?" -- Testimony of Amie Stepanovich, Association Litigation Counsel, Electronic Privacy Information Center. Hearing on "Using unmanned aerial systems within the Homeland: security game changer?"