I 115th CONGRESS 2d Session H. R. 6620 IN THE HOUSE OF REPRESENTATIVES July 26, 2018 Mr. Richmond (for himself and Mr. Ratcliffe ) introduced the following bill; which was referred to the Committee on Homeland Security , and in addition to the Committee on Transportation and Infrastructure , for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned A BILL To require the Department of Homeland Security to prepare a threat assessment relating to unmanned aircraft systems, and for other purposes.