II 115th CONGRESS 1st Session S. 631 IN THE SENATE OF THE UNITED STATES March 15, 2017 Mr. Markey introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To amend the FAA Modernization and Reform Act of 2012 to provide guidance and limitations regarding the integration of unmanned aircraft systems into United States airspace, and for other purposes.