This document is a supplement to the President’s 2018 Budget request submitted to Congress on May 23rd, 2017, and serves as the Annual Report for the National Nanotechnology Initiative (NNI) called for under the provisions of the 21st Century Nanotechnology Research and Development Act of 2003 (Public Law 108-153, 15 USC §7501). The report also addresses the requirement for Department of Defense reporting on its nanotechnology investments, per 10 USC §2358.