Watermark is published semiannually for the alumni of Center for Homeland Defense and Security (CHDS). Topics in this issue: Alumni Chapters; Q&A with Alumni Chapter Heads; Ellen Gordon Retires After 15 Years; “What’s For Dinner?” and Other Impossible Decisions; Kay Takes Over CHDS Executive Leaders Program; CHDS Alumni Secure Groundbreaking Appointments; Steve Sund on Capitol Riot; CHDS Alums Lead FEMA/Peace Corps COVID-19 Vaccination Pact; Integrated Response Teams for All-Hazard Events; Major Golf Tourney Prompts CHDS Emergence Change Initiative; DHS Program Taps RPA For CHDS Emergence Change Initiative; CHDS Alumni Contribute to National Advisory Council Report; ELP Alumnus Returns to Discuss National Security Threats; ELP Grad Makes Diversity in Emergency Management His Mission; Alumni Lead Using Unmanned Systems for 21st Century Challenges; Remembering 9/11; Something Special; CHDS Alumni Win Homeland Security Award; Classroom of the Future; Mis/Disinformation Highlights 2021 EEP Lecture and Webinar Series; REP Deals with COVID-19, Looks to Future; PELP Looks Ahead to First In-Person Session After COVID-19; APEX 2020 Goes Virtual; Pracademic Affairs Delivers Inaugural Issue; Read and Listen; Class Notes; Alumni Photo Album; Welcome to the CHDS Family!; Educational Resources.