This opportunity seeks white papers for kinetic and non-kinetic effector systems to counter small unmanned aircraft. Respondents must request access to documents via the PIEE Solicitation Module, providing their CAGE Code, and must be registered in SAM.gov. Document access is granted to U.S. citizens within one business day of request, while foreign entities undergo a separate disclosure process. No specific budget amounts or performance location are mentioned. There are no stated submission deadlines, as documents can be requested at any time prior to solution paper submission.