II 115th CONGRESS 1st Session S. 168 IN THE SENATE OF THE UNITED STATES January 17, 2017 Mr. Wicker (for himself, Mr. Casey , Mr. Rubio , Mr. Nelson , and Mr. Thune ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To amend and enhance certain maritime programs of the Department of Transportation.