More than 140 attendees representing 38 universities and research institutions gathered in Los Alamos for the third annual meeting of the Los Alamos Neutron Science Center (LANSCE) User Group from August 10–12, 1998. Discussions and workshops focused on recent scientific discoveries and the current status of the facility upgrades. The meeting was organized by the Executive Committee of the LANSCE User Group, chaired by Collin Broholm of Johns Hopkins University.