180803-N-PO203-0231 PITTSBURGH (Aug. 3, 2018) Rear Adm. David Hahn, Chief of Naval Research, and Dr. David Walker, Research and Development Portfolio Director at the Office of Naval Research (ONR), tour Professor Howie Choset's, right, Biorobotics Laboratory at Carnegie Mellon University (CMU). Hahn and Walker were at CMU to attend the Artificial Intelligence (AI) & Autonomy for Humanitarian Assistance and Disaster Relief (HADR) workshop, co-hosted by the ONR and CMU. The workshop brings together a community of academia, industry, and government stakeholders with a diverse pool of first responders in order to accelerate the experimentation, fielding, and scaling of new AI and autonomous capabilities in support of the HADR mission. (U.S. Navy photo by John F. Williams)