180803-N-PO203-0139 PITTSBURGH (Aug. 3, 2018) Rear Adm. David Hahn, Chief of Naval Research, meets with high school students attending the Summer Academy for Mathematics and Science at Carnegie Mellon University (CMU). Hahn was at CMU for the Artificial Intelligence (AI) & Autonomy for Humanitarian Assistance and Disaster Relief (HADR) workshop, co-hosted by the Office of Naval Research and CMU. (U.S. Navy photo by John F. Williams)