Senate Committee on Commerce, Science, and Transportation Witnesses: - Mr. Earl Lawrence, Director of the Office of Unmanned Aircraft Systems, Federal Aviation Administration - Ms. Diana Marina Cooper, Vice President of Legal and Policy Affairs, Precision Hawk USA Inc.; President, sUAV Coalition - Mr. Ben Fowke, Chairman, President and CEO, Xcel Energy - Mr. Brendan Schulman, Vice President of Policy and Legal Affairs, DJI - Dr. John Villasenor, Professor of Engineering and Public Policy, UCLA; Visiting Fellow, Hoover Institution - Dr. Emilio Gonzalez, Director and Chief Executive Officer, Miami-Dade Aviation Department