46 U.S.C. § 70014

(a) Prohibition .— It shall be unlawful to cause the beam of a laser pointer to strike a vessel operating on the navigable waters of the United States. (b) Exceptions .— This section shall not apply to a member or element of the Department of Defense or Department of Homeland Security acting in an official capacity for the purpose of research, development, operations, testing, or training. (c) Laser Pointer Defined .— In this section the term “laser pointer” means any device designed or used to amplify electromagnetic radiation by stimulated emission that emits a beam designed to be used by the operator as a pointer or highlighter to indicate, mark, or identify a specific position, place, item, or object.